Best Exhaust Air Valves

ATV TEK, Universal Bandana Style Dust Masks with Suspension Straps & 3D Nose Box - Black, XL

NO MOIST- This ATV bandana dust mask has 2 one-way exhaust valves that reduce lens fogging, releases heat, carbon dioxide, and water vapor..
DUST-FREE - The dust mask sewn in interior with filter that blocks 99.5 percent of all dust particulates. This ensures dust-free air inhalation and a more enjoyable riding experience..
QUALITY MATERIALS - This universal Bandana dust mask is made from breathable and moisture-wicking materials that keep you cool and comfortable..
COMFORTABLE FIT - The Pro Series Bandana Dust Mask has a universal and comfortable for riders of all ages. The universal size accommodates neck sizes up to 20 inches..
EASY CLEANING - When the bandana mask gets dirty, simply remove the tek valves and rinse. Allow the mask to air dry..

Mufflers utitlize porous sintered bronze filter element secured to standard pipe fittings..
These compact and inexpensive mufflers are easy to install and maintain, particularly suitable where space is limited..
They are used to diffuse air and muffler noise from the exhaust ports of air valves, air cylinders and air tools to an acceptable level within OSHA noise requirements..

Widely used for valves, cylinders,oil tanks, air tools and some other systems that need mufflers to clean the exhaust air and reduce the noise..

【Aluminum alloy durable pump】 Air pump is made of aluminum alloy. By surface anodizing, the hand pump has a beautiful appearance, higher corrosion....
【Efficient inflation and labor saving】 The maximum pressure is 160 PSI / 11 bar. The surface texture of the bicycle hand pump is designed for slip....
【Air Pressure Gauge and Exhaust Valve】 Micro pump with pressure gauge gives reliable and accurate readings every time. Tire pressure can be....
【Application】 Suitable for various valves and bicycles, the air pump is equipped with valves for Presta and Schrader. It is very suitable to be....
【Lightweight and portable】 The air pump made of high-quality aluminum alloy weighs only 5.6 ounces. It is the best choice for road bikes, mountain....

... damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct.
Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications.
INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction..
The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically.
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..

304 stainless steel body, 316 stainless steel 70-micron filter element, resistant to atmospheric corrosion. Compared with brass, it has a longer use time and durable body.
Used to diffuse air and muffle noise from the exhaust ports of air valves, air cylinders and air tools to an acceptable level within OSHA noise requirement..

... damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct.
Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications.
INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction..
The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically.
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. Size: 4'' Inch.

... The maximum carrying capacity is 300 kg, and it can be used anywhere, no matter where it is used. Since the fabric is waterproof, it is very easy to clean, and even if it gets soiled, it can be quickly wiped off with a wet towel..
[Double valves] with double valves for inflation (open the upper cover) and exhaust (open the lower cover) can be done easily and quickly, and due to the high degree of sealing, there is no need to worry about air leakage. You can also use its own air pump， It does not touch the mouth when inflated, making it more hygienic to use..
[LIGHTWEIGHT] It can be folded for storage after exhaust. The storage size is 34*15cm, and the weight is only weighs 1.6kg(3.6lb) to reduce carrying weight. Utilizing the included carrying bag, once deflated and folded the sleeping mat can sit in your hiking backpack . It is not only suitable for outdoor activities such as camping, traveling, mountain climbing, family camping, etc., but also suitable for nap, lunch break, overtime, unexpected visitors, disaster prevention and other emergencies!.

Mufflers utitlize porous sintered bronze filter element secured to standard pipe fittings..
These compact and inexpensive mufflers are easy to install and maintain, particularly suitable where space is limited..
They are used to diffuse air and muffler noise from the exhaust ports of air valves, air cylinders and air tools to an acceptable level within OSHA noise requirements..