Best Perfectly Designed Air Ducts

Taytools 465388 Set of 6 each 4 OD Blast Gates Self Cleaning No Clog Aluminum for Dust Collection System

Designed to fit 4" diameter hose or ducts.
Direct air flow to exactly where you need it and maximize dust extraction by opening and closing select ducts.
Open slot at back to for self-cleaning, no-clog operation.
Cast aluminum, steel sliding gate, locking knob.

Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills on heat-generating equipment.
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..

Features 4-inch fiberglass woofers that output a strong, punchy bass from the front, while grooves on the ducts reduce air friction.
Custom-built with ¾-inch soft dome tweeters that are fitted with DECO convex diffusers to enjoy a wide sweet spot and 3D stereo sound wherever you sit or stand.
Class AB amplifiers deliver a crisp sound with low-distortion, plus the tweeter and woofer are perfectly aligned to eliminate crossover and ensure a well-balanced response across the frequencies.
The cabinets' curved front edges provide maximum rigidity and minimum resonance for a clean sound at any volume.
Designed with a headphone output and volume knob on the front panel to give you flexibility and control.

[Durable]- Diffuser is made from white powder coated metal making it durable and longer lasting..
[Mounting Size]- For up to 18” diameter round ducts or 18” x 18” rectangle ducts. This product is designed to cover a 18” x 18” hole size. The mounting size is 20” x 20”. Please measure your installation area before purchase..
[Versatile]- This white powder coated metal diffuser is for evaporative/swamp cooler which is perfect for restaurant and bar..
[Easy To Install]- The white powder coated metal diffuser comes with an 1” width edge at the end of the body for easy installation. Screw holes are not pre-drilled, please drill hole on each edge then mount the screw to the ceiling..
[Adjustable Air Outlet]- There are a total of 4 adjustable air outlet/shutoff to control where the air will flow. Body dimension: 18”W x 18”L x 6”H..

Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills on heat-generating equipment.
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..

【Material】The 4 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel..
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use..
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications..
【Note】Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different..

Quiet air flow: Designed for light commercial applications, this powerful yet quiet ventilation fan moves 390 CFM of air at 3.0 sones.
Long life, guaranteed: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 3-year limited warranty.
Easy to install: Designed for 6" ducts. The double hanger-bar system (expandable up to 24") is ideal for positioning the fan exactly where you want it.
Clean air: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.
Code compliant: This product is ENERGY STAR 3.0 certified and complies with ASHRAE 62.2, LEED, California Title 24 and WA Ventilation Codes.

【Material】The 4 inch backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel..
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use..
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications..
【Note】Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different..

Temperature: Short Term 120℃/ Long Term 95℃.
Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills/leakages on heat-generating equipment (projectors, light cans, barn-doors, etc)..
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete. Conformable and pressure-sensitive adhesive enables it to fit on corrugated joints and irregular corners..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..