About Exhaust Fans
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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
Grinding Bit Sets for Metals
Each set contains a selection of grinding bits. All include bits made of aluminum oxide, which is the most common abrasive used for grinding metal. These bits are also known as mounted points and die grinder bits.
Sets for steel, stainless steel, aluminum, brass, bronze, copper, iron, and nickel contain bits made from a range of abrasive materials in different shapes and sizes. They’ll help you achieve varying levels of finish on a wide range of materials. Cotton laminate/aluminum oxide blend bits remove more material than rubber-cushioned aluminum oxide bits, and they’ll create a nicer finish than vitrified ceramic alumina bits. Bits with nylon mesh remove the least material but create the nicest finish.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
Abrasive | ||||||||
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No. of Pieces | Includes | Material | Bond Material | Shank Lg. | Color | Grit (Surface Texture) | Each | |
For Steel, Iron | ||||||||
1/8" Shank Dia. | ||||||||
12 | Foam Block Stand; Two each: B42, B44, B46, B52, B53, B103 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Orange | 60 (Rough) | 0000000 | 000000 |
20 | Dressing Stone; One each: A24, B42, B51, B52, B54, B61, B90, B91, B102, B111, B112, B121, B122, B123, B131, B135, W185, W201, W202, W203 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 80 (Smooth) | 0000000 | 00000 |
50 | Foam Block Stand; Two each: B97, Six Each: B44, W144, W145, W154, W163, W170, W176, W185 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 36 (Rough) | 00000000 | 000000 |
50 | Foam Block Stand; Two each: B97, Six Each: B44, W144, W145, W154, W163, W170, W176, W185 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 60 (Rough) | 0000000 | 000000 |
144 | Foam Block Stand; Nine each: B44, B52, B97, B121, W142, W144, W145, W153, W154, W162, W163, W170, W175, W176, W185, W200 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 60 (Rough) | 0000000 | 000000 |
1/8" and 1/4" Shank Dia. | ||||||||
100 | Foam Block Stand; Five each: A1, A3, A4, A11, A12, A24, A38, W164, W185, W220, with 1/4" Shank; Five each: B42, B44, B52, B53, B111, B131, W144, W154, W163, W185, with 1/8" shank | Aluminum Oxide | Vitrified Clay | 1 1/2" | Orange | 60 (Rough) | 0000000 | 000000 |
1/4" Shank Dia. | ||||||||
18 | Foam Block Stand; Three each: A3, A5, A11, A12, W207, W220 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Blue | 60 (Rough) | 0000000 | 00000 |
20 | Dressing Stone; One each: A24, B42, B51, B52, B54, B61, B90, B91, B102, B111, B112, B121, B122, B123, B131, B135, W185, W201, W202, W203 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 80 (Smooth) | 0000000 | 00000 |
50 | Foam Block Stand; Five each: A2, A5, A12, A37, A38, W185, W186, W187, W205, W219 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 36 (Rough) | 00000000 | 000000 |
50 | Foam Block Stand; Five each: A2, A5, A12, A37, A38, W185, W186, W187, W205, W219 | Aluminum Oxide | Vitrified Clay | 1 1/2" | Red | 60 (Rough) | 0000000 | 000000 |
For Steel, Aluminum, Iron | ||||||||
1/8" Shank Dia. | ||||||||
36 | Cardboard Block Stand; Three each 100 Grit: B53, W163, W182; Three each 60 Grit: B52, W185; Three each 80 Grit: B52, B53, B122, W163, W182, W185 | Aluminum Oxide | Vitrified Ceramic | 1 1/2" | Blue, Pink | 60 (Rough), 80 (Smooth), 100 (Smooth) | 0000000 | 00000 |
For Steel, Stainless Steel, Aluminum, Brass, Bronze, Copper, Iron, Nickel | ||||||||
1/8" Shank Dia. | ||||||||
72 | Cardboard Block Stand; B121 (14 total, 60-240 grit); B132 (9 total, 60-80 grit); B52 (16 total, 60-240 grit); W154 (9 total, 60-100 grit); W182 (9 total, 60-80 grit); W185 (15 total, 60-240 grit) | Aluminum Oxide Ceramic Cotton Laminate/Aluminum Oxide Blend Nylon Mesh/Aluminum Oxide Blend Nylon Mesh/Silicon Carbide Blend | Rubber Synthetic Resin Vitrified Ceramic | 1 1/2" | Black, Blue, Brown, Gray, Pink, White | 60 (Rough), 80 (Smooth), 100 (Smooth) | 0000000 | 000000 |
Rubber-Cushioned Abrasive Grinding Bit Sets for Metals
The bits in this set have rubber blended into the abrasive, which cushions during grinding to produce a smooth to extra-smooth surface texture.
Aluminum oxide bits are for grinding hard metals.
Silicon carbide bits are for grinding soft metals.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
Abrasive | |||||||
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No. of Pieces | Includes | Max. Speed, rpm | Material | Bond Material | Grit (Surface Texture) | Each | |
For Steel, Aluminum, Brass, Bronze | |||||||
126 | 30 Silicon Carbide and 10 Aluminum Oxide 15/16" Lg. x 1/4" Dia. Bits,30 Silicon Carbide and 10 Aluminum Oxide 7/8" Dia. Tapered-Edge Discs,30 Silicon Carbide and 10 Aluminum Oxide 7/8" Dia. x 1/8" Thick Straight Discs,Two Spiral Mandrels with Hex Nut,Four 1/8" Dia. Mandrels,Paper and Plastic Case | 21,000 | Aluminum Oxide, Silicon Carbide | Rubber | 120 (Smooth) to 240 (Extra Smooth) | 0000000 | 000000 |
For Steel, Aluminum, Brass, Bronze, Copper, Stainless Steel, Iron, Nickel, Titanium | |||||||
68 | 8 each: No. 4, No. 6, No. 8, No. 10, No. 11, No. 12, No. 14, and No. 15 Grinding Bits,Two No. 4 Mandrels,Two No. 6 Mandrels,Plastic Case | 25,000 | Silicon Carbide | Rubber | 46 (Rough) to 240 (Extra Smooth) | 0000000 | 000000 |
For Steel, Aluminum, Brass, Copper, Stainless Steel | |||||||
24 | 8 each: A2, A25, W220 Grinding Bits with 1 1/2" Lg. × 1/4" Dia. Shank,Cardboard Block Stand | 25,500 | Aluminum Oxide | Rubber | 46 (Rough) to 100 (Smooth) | 0000000 | 000000 |
36 | 12 each: B52, B121, W185 Grinding Bits with 1 1/2" Lg. × 1/8" Dia. Shank,Cardboard Block Stand | 34,500 | Aluminum Oxide | Rubber | 46 (Rough) to 100 (Smooth) | 0000000 | 000000 |
For Steel, Brass, Bronze, Copper, Stainless Steel, Iron, Nickel, Titanium | |||||||
63 | 15 each: B52, W154, W164, W185 Grinding Bits with 1 1/2" Lg. × 1/8" Dia. Shank,One W220 Grinding Bit with 1 1/2" Lg. × 1/4" Dia. Shank,Two W179 Grinding Bits with 1 1/2" Lg. × 1/4" Dia. Shank,Plastic Case | 25,500 | Aluminum Oxide | Rubber | 46 (Rough) to 180 (Smooth) | 0000000 | 000000 |
Miniature Bit and Disc Sets
Sets contain an assortment of tools for grinding, sanding, and cutting on small surface areas. All have aluminum oxide bits for grinding hard metal.
58-piece sets include diamond bits for grinding metal, ceramics, and plastics.
134-piece sets include silicone carbide bits for grinding soft metal.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
No. of Pieces | Includes | Max. Speed, rpm | Abrasive Material | Color | Each | |
For Steel, Stainless Steel, Aluminum, Brass, Bronze, Copper, Iron, Nickel, Titanium, Ceramic, Plastic | ||||||
---|---|---|---|---|---|---|
1/8" Shank Dia. | ||||||
58 | Six Aluminum Oxide Grinding Bits, Six Diamond Grinding Bits, 26 Cutoff Discs, One Mandrel for Cutoff Discs, Six Polishing Bobs, Six Engraving Cutters, Six Cleaning Brushes, One Collet, Plastic Case | 21,000 | Aluminum Oxide, Diamond | Blue, Brown | 0000000 | 000000 |
For Steel, Aluminum, Brass, Bronze | ||||||
1/8" Shank Dia. | ||||||
134 | Six Aluminum Oxide Grinding Bits, Four Silicon Carbide Grinding Bits, Six Aluminum Oxide Grinding Discs, 16 Aluminum Oxide Sanding Bands, One Rubber Drum for Sanding Bands, 64 Cutoff Discs, 36 Cutoff Wheels, One Mandrel for Cutoff and Sanding Discs, Plastic Case | 30,000 | Aluminum Oxide, Silicon Carbide | Brown, Gray | 0000000 | 00000 |
Grinding and Polishing Kits for 3D Printed Parts
Finish the edges of metal, polymer, and plastic 3D printed parts with the bits, burs, wheels, and brushes in these kits.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
No. of Pieces | Includes | Max. Speed, rpm | Abrasive Material | Grit (Surface Texture) | Each | |
For Steel, Stainless Steel, Aluminum, Brass, Bronze, Copper, Iron, Nickel, Titanium, Fiberglass, Plastic, Rubber | ||||||
---|---|---|---|---|---|---|
3/32" Shank Dia. | ||||||
25 | Three Diamond Grinding Bits, Three Carbide Burs, Two Aluminum Oxide Polishing Bobs, Two Aluminum Oxide Grinding Wheels, Two Silicon Carbide Grinding Wheels, One Diamond Cutoff Wheel, One Mandrel with 3/32" Shank, Three Engraving Cutters, Eight Aluminum Oxide Wheel Brushes, Metal Case | 21,000 | Aluminum Oxide, Carbide, Diamond, Silicon Carbide | 80 (Smooth) to 280 (Extra Smooth) | 000000 | 0000000 |
Grinding Bit Sets for Nonmetals
Best for grinding composites, fiberglass, plaster, plastic, rubber, and wood without generating heat, these sets include a selection of our most popular tungsten carbide bits. The bits are also known as mounted points and die grinder bits.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
No. of Pieces | Includes | Abrasive Material | Shank Lg. | Grit (Surface Texture) | Each | |
For Composites, Fiberglass, Plaster, Plastic, Rubber, Wood | ||||||
---|---|---|---|---|---|---|
1/8" Shank Dia. | ||||||
7 | 1 1/4" Dia. Cutoff Wheel, Barrel Grinding Bit, Disc Grinding Bit, Two Cone Bits, Two Cylindrical Bits | Tungsten Carbide | 7/8" | 36 grit (Rough) Bronze | 0000000 | 0000000 |
7 | 1 1/4" Dia. Cutoff Wheel, Barrel Grinding Bit, Disc Grinding Bit, Two Cone Bits, Two Cylindrical Bits | Tungsten Carbide | 7/8" | 50 grit (Rough) Bronze | 0000000 | 000000 |
Miniature Multipurpose Grinding Bit Sets
Best for intricate, precise grinding jobs on metal, ceramic, and plastic, these sets include diamond abrasive bits with different head shapes. Their 3/32” diameter shank and small head make them great for tasks with fine details.
A keyless chuck (sold separately) connects these bits to rotary tools that accept a 1/8” shank diameter.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
Abrasive | ||||||
---|---|---|---|---|---|---|
No. of Pieces | Includes | Material | Bond Material | Grit (Surface Texture) | Each | |
For Aluminum, Brass, Bronze, Ceramics, Copper, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium | ||||||
3/32" Shank Dia. | ||||||
6 | Two Cylindrical Grinding Bits with 1 1/4" Shank Lg., One Inverted Cone Grinding Bit with 1 1/2" Shank Lg., One Cone Grinding Bit with 1 1/2" Shank Lg., One Ball Grinding Bit with 1 1/2" Shank Lg., One Taper Grinding Bit with 1 3/8" Shank Lg., Plastic Block Stand | Diamond | Vitrified Ceramic | 120 (Smooth) Yellow | 0000000 | 0000000 |
Swap out accessories on your Dremel without tools.
For Shank Dia. | Manufacturer Model Number | For Manufacturer Model Number | Mounting Hole Thread Size | Body Material | Jaw Material | Each | |
1/32"-1/8" | 4486 | 100, 200, 212, 225, 275, 285, 300, 395, 398, 400, 575, 750, 770, 780, 800, 3000, 4000, 7700, 8050, 8200, 8220 | 1/4"-40 | Steel | Steel | 0000000 | 00000 |
Buffing and Polishing Kits for Dremel
Buff, polish, and clean with these kits.
Number of Pieces | For Manufacturer Model Number | Includes | Each | |
20 | 100, 100-N/7, 200, 3000, 3000-1/24, 7760-N/10, 8220, 8220-1/28, 8240, 8250, 8260 | Six Buffing Wheels—1/2" Dia. Five Buffing Wheels—1" Dia. Cup-Style Polishing Brush—1/2" Brush Dia. × 1/8" Shank Dia. End-Style Polishing Brush—1/8" Brush Dia. × 1/8" Shank Dia. Two Wheel-Style Polishing Brushes—3/4" Brush Dia. × 1/8" Shank Dia. Polishing Bob—3/8" Head Dia. Polishing Bob with 1/8" Shank—1/2" Head Dia. Slotted-Head Mandrel—1/8" Shank Dia. Spiral Mandrel—1/8" Shank Dia. Polishing Compound Plastic Case | 0000000 | 000000 |
Engraving Kits for Dremel
For engraving and carving, these kits contain a variety of Dremel-compatible bits and stones.
No. of Pieces | For Manufacturer Model No. | Includes | Each | |
1/8" Shank Dia. | ||||
---|---|---|---|---|
11 | 100, 100-N/7, 200, 3000, 3000-1/24, 7760-N/10, 8220, 8220-1/28, 8240, 8250, 8260 | Four Engraving Cutters, Seven Grinding Stones, Plastic Storage Case | 0000000 | 000000 |
Buffing Wheel, Bob, and Compound Kits
Most buffing processes have two steps:
Cutting, the first step, removes scratches and surface imperfections.
Coloring, the second step, produces an even finish.
Cutting/coloring compounds perform both steps at once.
For technical drawings and 3-D models, click on a part number.
No. of Pieces | Includes | Each | |
20 | Three Medium Polishing Bobs (Flat-Tip Cylinder, Ball, and Oval)—1/2" Head Dia. × 1/2" Head Lg. × 1/8" Shank Dia. Two Medium Polishing Bobs (Pear and Flat-Tip Cone)—1/2" Head Dia. × 3/4" Head Lg. × 1/8" Shank Dia. Two Medium Polishing Bobs (Rounded-Tip Cylinder and Rounded-Tip Cone)—1/2" Head Dia. × 1" Head Lg. × 1/8" Shank Dia. Eight Buffing Wheels (Four Flat-Edge and Four Tapered-Edge)—3/4" Dia. × 1/8" Thick. One 1/8" Dia. Shank for Buffing Wheels One 1/2 oz. Extra-Smooth-Finish Brown Coloring Compound One 1/2 oz. Polished-Finish Red Rouge Cutting/Coloring Compound One 1/2 oz. Polished-Finish White Rouge Cutting/Coloring Compound One 1/2 oz. Polished-Finish Black Cutting/Coloring Compound | 0000000 | 000000 |
Bur Sets
For technical drawings and 3-D models, click on a part number.
Includes | O'all Lg. | For Use On | Container Type | Each | |
Double Cut (For Medium Finish) | |||||
---|---|---|---|---|---|
Cylinder-Shape Flat-Tip SA-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Cylinder-Shape Flat Cutter-Tip SB-51 Bur—1/4" Head Dia. × 3/16" Head Lg. Cylinder-Shape Rounded-Tip SC-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Tree-Shape Pointed-Tip SG-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Tree-Shape Rounded-Tip SF-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Ball-Shape SD-51 Bur—1/4" Head Dia. × 7/32" Head Lg. Oval/Egg-Shape SE-51 Bur—1/4" Head Dia. × 3/8" Head Lg. 10° Inverted Cone-Shape SN-51 Bur—1/4" Head Dia. × 1/4" Head Lg. 22° Tapered Cone-Shape Pointed-Tip SM-51 Bur—1/4" Head Dia. × 1/2" Head Lg. | 1 11/16"-2" | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | Wood Box | 0000000 | 000000 |
Single Cut (For Fine Finish) | |||||
Cylinder-Shape Flat-Tip SA-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Cylinder-Shape Flat Cutter-Tip SB-51 Bur—1/4" Head Dia. × 3/16" Head Lg. Cylinder-Shape Rounded-Tip SC-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Tree-Shape Pointed-Tip SG-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Tree-Shape Rounded-Tip SF-51 Bur—1/4" Head Dia. × 1/2" Head Lg. Ball-Shape SD-51 Bur—1/4" Head Dia. × 7/32" Head Lg. Oval/Egg-Shape SE-51 Bur—1/4" Head Dia. × 3/8" Head Lg. 10° Inverted Cone-Shape SN-51 Bur—1/4" Head Dia. × 1/4" Head Lg. 22° Tapered Cone-Shape Pointed-Tip SM-51 Bur—1/4" Head Dia. × 1/2" Head Lg. | 1 11/16"-2" | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | Wood Box | 0000000 | 00000 |
Includes | O'all Lg. | For Use On | Container Type | Each | |
Double Cut (For Medium Finish) | |||||
---|---|---|---|---|---|
Cylinder-Shape Flat-Tip SA-42 Bur—3/32" Head Dia. × 7/16" Head Lg. Cylinder-Shape Flat-Tip SA-43 Bur—1/8" Head Dia. × 9/16" Head Lg. Cylinder-Shape Rounded-Tip SC-42 Bur—1/8" Head Dia. × 9/16" Head Lg. Tree-Shape Pointed-Tip SG-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Tree-Shape Rounded-Tip SF-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Tree-Shape Rounded-Tip SF-42 Bur—1/8" Head Dia. × 1/2" Head Lg. Ball-Shape SD-42 Bur—1/8" Head Dia. × 1/8" Head Lg. Flame-Shape SH-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Oval/Egg-Shape SE-41 Bur—1/8" Head Dia. × 7/32" Head Lg. 10° Inverted Cone-Shape SN-42 Bur—1/8" Head Dia. × 3/16" Head Lg. 7° Tapered Cone-Shape Pointed-Tip SM-43 Bur—1/8" Head Dia. × 5/8" Head Lg. 8° Tapered Cone-Shape Rounded-Tip SL-41 Bur—1/8" Head Dia. × 3/8" Head Lg. | 1 1/2" | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | Wood Box | 0000000 | 000000 |
Single Cut (For Fine Finish) | |||||
Cylinder-Shape Flat-Tip SA-42 Bur—3/32" Head Dia. × 7/16" Head Lg. Cylinder-Shape Flat-Tip SA-43 Bur—1/8" Head Dia. × 9/16" Head Lg. Cylinder-Shape Rounded-Tip SC-42 Bur—1/8" Head Dia. × 9/16" Head Lg. Tree-Shape Pointed-Tip SG-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Tree-Shape Rounded-Tip SF-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Tree-Shape Rounded-Tip SF-42 Bur—1/8" Head Dia. × 1/2" Head Lg. Ball-Shape SD-42 Bur—1/8" Head Dia. × 1/8" Head Lg. Flame-Shape SH-41 Bur—1/8" Head Dia. × 1/4" Head Lg. Oval/Egg-Shape SE-41 Bur—1/8" Head Dia. × 7/32" Head Lg. 10° Inverted Cone-Shape SN-42 Bur—1/8" Head Dia. × 3/16" Head Lg. 7° Tapered Cone-Shape Pointed-Tip SM-43 Bur—1/8" Head Dia. × 5/8" Head Lg. 8° Tapered Cone-Shape Rounded-Tip SL-41 Bur—1/8" Head Dia. × 3/8" Head Lg. | 1 1/2" | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | Wood Box | 0000000 | 00000 |
Hazardous Location Upblast Roof-Mount Exhaust Fans
With a UL-listed motor, these fans can be used in hazardous environments with combustible gases and dust to draw stagnant and humid air out through your roof, forcing it up and away from its surface.
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance.
For technical drawings and 3-D models, click on a part number.
Fans | |||||||||||||||
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Overall | Mounting Bases | ||||||||||||||
Blade Dia. | Airflow @ Static Pressure | Volume | Motor Speed, rpm | Power, hp | Dia. | Ht. | Base Wd. | Wt., lbs. | Max. Ambient Temp., °F | Housing Material | Environmental Rating | Each | Each | ||
Totally Enclosed Motor Enclosure | |||||||||||||||
120/240V AC, Single Phase—Hardwire | |||||||||||||||
24" | 3,900 cfm @ 1/2 in. of H₂O 6,900 cfm @ 0 in. of H₂O | 75 dBA @ 5 ft. | 1,150 | 3/4 | 33" | 25" | 36" | 340 | 100° | Steel | NEC Class I Divisions 1, 2 Groups C, D; NEC Class II Divisions 1, 2 Groups E, F, G | 0000000 | 000000000 | 0000000 | 0000000 |
30" | 5,900 cfm @ 1/2 in. of H₂O 9,350 cfm @ 0 in. of H₂O | 72 dBA @ 5 ft. | 1,150 | 1 | 39" | 28" | 42" | 370 | 100° | Steel | NEC Class I Divisions 1, 2 Groups C, D; NEC Class II Divisions 1, 2 Groups E, F, G | 0000000 | 00000000 | 0000000 | 000000 |