Top 10 Best blast gate 4 inch in 2026

Last Updated - 6/22/2026

🏆Best Choice

POWERTEC

POWERTEC 70326 Blast Gate 4 Inch, w/Anti Clog and Air Leak Seal for Dust Collection

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•INCLUDES: (1) 4" Aluminum Blast Gate for Dust Collection (Tapered OD, from 3-3/4" to 4")
•FUNCTION: By opening and closing select ducts, it directs and regulates the air flow to exactly where you need it and maximizes the extraction of dust | COMPATIBILITY: Will fit 4" ID diameter hose or ducts. When used with flexible dust collection hose, hose clamps are required.
•FEATURES: The improved air-proof design has closed edges to prevent air from leaking, easy clearing and clog-proof grooves and an easy sliding gate. The gate also has a locking stop to make sure it's aligned perfectly
•BUILD: Blast gate flaunts a heavy duty aluminum construction and a premium steel sliding gate designed to withstand the wear and tear commonly associated with woodworking and dust collection
•PLEASE NOTE: Embossed "OUT" mark should face toward the dust collector side to ensure proper hookup with the dust collection system, achieving clog-free performance.

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$21.99

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POWERTEC

POWERTEC 70295-P2 4-Inch Integrated Blast Gate Clog Resistant, Anti Gap Tapered ABS Plastic Fitting for Dust Collection Systems, 2PK

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•INCLUDES: (2) 4" Blast Gate dust collector attachment (Tapered OD, from 3-7/8" to 4-1/8")
•FEATURES: A molded, single piece body construction that offers a ramped clog resistant and gapless design (no air loss or reduced suction), along with a seamless sliding gate that delivers a secure firm stop when opened
•FUNCTION: Helps direct and control airflow from one machine to another, while providing a quicker and easier change over for your integrated woodworking machines and dust collection systems
•PREMIUM QUALITY: This 4" blast gate was made with heavy duty industrial grade plastic, known for it's impact and shock absorbance, along with anti-scratch and heat resistant properties
•PLEASE NOTE: Embossed "OUT" mark should face toward the dust collector side to ensure proper hookup with the dust collection system, achieving clog-free performance.

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$16.99

$17.99

-6%

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POWERTEC

POWERTEC 70108 4 Inch Blast Gate for Dust Collector, Dust Collection Fittings

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Includes: 4” Blast Gate; Both ends have 4” OD outlet diameters and are designed to work with 4” ID dust hoses or other 4” ID ports
•Specifications: Accepts 4” ID dust hose, port or vacuum fitting; 4" Nominal end measures 3-61/64” O.D. and 3-3/4” I.D
•Compatibility: Will not connect directly to other 4” OD ports; please confirm that the actual listed size fits your application before ordering. If connecting to a 4” OD port, a Flex Cuff or similar device will be required
•Function: Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another
•Quality: Made with premium black ABS plastic, this unit was designed for durability and is abrasion resistant - able to withstand daily wear & tear from dirt, sawdust and woodchips

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$8.59

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POWERTEC

POWERTEC 70326-P2 Blast Gate 4 Inch, w/Anti Clog and Air Leak Seal for Dust Collection, 2 PK

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•INCLUDES: (2) 4" Aluminum Blast Gate for Dust Collection (Tapered OD, from 3-3/4" to 4")
•FUNCTION: By opening and closing select ducts, it directs and regulates the air flow to exactly where you need it and maximizes the extraction of dust | COMPATIBILITY: Will fit 4" ID diameter hose or ducts. When used with flexible dust collection hose, hose clamps are required.
•FEATURES: The improved air-proof design has closed edges to prevent air from leaking, easy clearing and clog-proof grooves and an easy sliding gate. The gate also has a locking stop to make sure it's aligned perfectly
•BUILD: Blast gate flaunts a heavy duty aluminum construction and a premium steel sliding gate designed to withstand the wear and tear commonly associated with woodworking and dust collection
•PLEASE NOTE: Embossed "OUT" mark should face toward the dust collector side to ensure proper hookup with the dust collection system, achieving clog-free performance.

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$39.79

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POWERTEC

POWERTEC 70135-P6V 4-Inch Blast Gate for Dust Collector, Dust Collection Fittings, 6 PK

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•NCLUDES: (6) 4" Aluminum Blast Gate
•FEATURES: Self-cleaning and clog proof groove design to remove constant cleaning maintenance, along with an easy-sliding gate, and locking stop to ensure perfect gate alignment
•FUNCTION: Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another
•BUILD: Blast gate flaunts a heavy duty aluminum construction with a premium steel gate designed for eliminating air leakage, project flexibility and long-term usage
•VERSATILITY: Possesses a universal fit (nominal 4" OD outlet diameter, actual size - tapers from 3-29/32 to 3-31/32") for most shop vacs / shop dust collector systems with 4" ID hoses for woodworking - providing a reliable port extension for your table saws, miter saws, planers, drills and other tools

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$69.64

$79.99

-13%

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POWERTEC

POWERTEC 70135V 4" Blast Gate for Dust Collector, Dust Collection Fittings

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•INCLUDES: 4-Inch Aluminum Blast Gate for Dust Collector/Vacuum Fittings.
•FUNCTION: Maximizes the efficiency of your dust collection system by regulating and directing the air flow from one machine to another.
•FEATURES: Self-cleaning and clog proof groove design to remove constant cleaning maintenance, with an easy-sliding gate, and locking stop to ensure perfect gate alignment.
•VERSATILITY: Possesses a universal fit (nominal 4 Inch OD outlet diameter, actual size – tapers from 3-29/32 to 3-31/32 Inch) for most shop vacs/ shop dust collector systems with 4 Inch ID hoses for woodworking – providing a reliable port extension for your table saws, miter saws, planers, drills and other tools.
•BUILD: Flaunts a heavy duty aluminum construction with a premium steel gate designed for removing air leakage, project flexibility and long-term usage.

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$17.49

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POWERTEC

POWERTEC 70357-P2 4 Inch Wall Mounting Blast Gate with Bracket for Dust Collector, Dust Collection Fittings, 2 Count, Pack of 1

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•INCLUDES: (2) 4 inch Wall Mount Blast Gate for Dust Collection System
•FUNCTION: 4" blast gate that mounts to the wall and is used to direct air to specific machines or areas in your workshop, and this dust collection accessory can also be used to prevent air from bypassing a dust collector
•FEATURES: Built-in wall mounting bracket to ensure secure anchoring to prevent sloppy opening / closing, and a gate that slides completely through the housing is self-cleaning and eliminates wood chip build-up
•PREMIUM BUILD: Made with strong, durable and impact resistant ABS plastic to withstand high-volume use and the abrasive nature of sawdust, woodchips, and dust collection
•COMPATIBILITY: Works with an assortment of 4-inch ID flexible hoses, 4” ID ducts and dust fittings

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$13.54

$21.49

-37%

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SAQXK

SAQXK 2Pcs Dust Collector Blast Gates 4 inch for Dust Collector/Vacuum Fittings 70108 Blast Gates Plastic Dust Collector System Gate Connect 4 in ID Dust Hoses, Dust Ports Hoses, Pipes

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Size for Compatibility: The outlet diameter at both ends of the blast gate is 4” OD, working with 4” ID dust hoses, ports or other vacuum fitting.
•Premium Quqlity: The blast gate is made of high-quality ABS plastic, which is durable and wear-resistant. Easily withstand the impact of dirt, sawdust and woodchips in daily dust removal systems.
•Efficiency Dust Collection: An movable gate controls and regulates the airflow between two machines, maximizing the efficiency of your dust collection system.
•Easy to Install: The blast gate is lightweight and can quickly connect both ends of the dust hoses or other 4” ID ports.
•Attention: Due to the accumulation of sawdust for a long time, it may cause the blast gate handle to jam. It is necessary to clean the blast gate and the connection to restore normal operation.

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$12.99

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POWERTEC

POWERTEC 70108-P4 4-Inch Blast Gate for Dust Collector, Dust Collection Fittings, 4 PK

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Includes: (4) 4” Blast Gate; Both ends have 4” OD outlet diameters and are designed to work with 4” ID dust hoses or other 4” ID ports
•Specifications: Accepts 4” ID dust hose, port or vacuum fitting; 4" Nominal end measures 3-61/64” O.D. and 3-3/4” I.D
•Compatibility: Will not connect directly to other 4” OD ports; please confirm that the actual listed size fits your application before ordering. If connecting to a 4” OD port, a Flex Cuff or similar device will be required
•Function: Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another
•Quality: Made with premium black ABS plastic, this unit was designed for durability and is abrasion resistant - able to withstand daily wear & tear from dirt, sawdust and woodchips

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$21.99

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JIYIZO

JIYIZO 1pcs 4 Inch Blast Gate for Dust Collector, Dust Collection Fittings for 4 in ID dust hoses/Ports Dust Collector System

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Size: Both ends have 4” OD outlet diameters and are designed to work with 4” ID dust hoses, ports or other vacuum fitting.
•Premium Quqlity: The blast gate is made of high-quality ABS plastic, which is durable and wear-resistant. Easily withstand the impact of dirt, sawdust and woodchips in daily dust removal systems.
•Efficiency Dust Collection: A movable Blast Gate Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another.
•Easy to Install: The blast gate is lightweight and can quickly connect both ends of the dust hoses or other 4” ID ports.
•Attention: Due to the accumulation of sawdust for a long time, it may cause the blast gate handle to jam. It is necessary to clean the blast gate and the connection to restore normal operation.

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$10.79

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