100mm In-line Extractor Fan Vent Back Draught Shutter With One Spring And Two Flaps
Material PVC.
£ 8.25
Airvent 459309A 100MM 4" Bathroom Extractor Fan With Timer And Automatic Shutters, White
Automatic slow opening closing backdraught shutter built in
free shipping
95mm Backdraft Shutter 4 Inch Back Draft Damper Extractor Fan One Way Air Duct Baffle
CLOSED WITH The rear ventilation baffle is closed by gravity, integrally formed to seal and leak-proof, and light in weight, suitable for 4-inch pipes and can prevent cold air from backflow
free shipping
AirTech-UK Extractor Fan Non Return Valve 100mm 4"
Prevents Backdraft Protects your ventilation system by stopping unwanted airflow from returning into your home or building.
free shipping
calimaero® Seal Backdraft Shutter 4 Inch Inline Extractor Fan Backdraft Shutter Quiet Rubber Flaps, Fits All DN 100mm Ducting/Made from Recycled Plastic in DE
HIGH-QUALITY MATERIALS The calimaero backdraft shutter does not only prevent the outside cold air from entering back into your home but it also helps our environment because it is made of recycled material from Germany. This back draught can be inserted into all exhaust air pipes regardless of the ducting materials. Its plastic and rubber flaps are robust, weather resistant, and environmentally friendly.
Kair Plastic Round Ceiling Vent 100mm - 4 inch Diffuser/Extract Valve with Retaining Ring
Adjustable wipe-clean plastic air vent diffuser with retaining ring.
Vent Systems Black Ø100 mm / 4" Inch Exhaust Vent Cover - Dryer Vent Hood - Louvered Dryer Cover - Vent Hood Cap - One-Direction Plastic Air Supply Grille - Non Return Valve - Outlet Cowl Air Vent
Outside dimensions are 153 x 148 mm 6.02" x 5.83" Inches. Dimensions between screw holes 111 x 95 mm 4.37" x 3.74" Inches. Vent opening with diameter of 100 mm 3.93" Inches. Connecting part depth 30 mm 1.18" Inch.
£ 12.98
Ø 100mm / 4 inch Extractor Fan Non Return Valve - Ducting Pipe - Plastic - White
The valve does not affect the passive ventilation in the room
Armar Trading LTD Extractor Fan Non Return Valve Ducting Pipe Backdraft Shutter ZZ (150mm / 6")
but at the same time do not adversely affect fan capacity in a significant way
free shipping
Steinberg14 Backflow Flap 100mm / 4 inch for Bathroom Fan - Non-return Check Valve for Extractor Fans
Suitable for bathroom fans with a diameter of 100mm 3.94''
H&C Vent Connector Flange │ Air Ventilation Pipe Connectors for Ducting Flex Aluminium Tube PVC Duct Flexible Hose │ Wall Plate Backdraft Shutter Gravity Valve │ Tumble Dryer Extractor fan Conditioner
Size and technical data Size - 100 mm 3.93 Inch; Features - For Round Ventilation Systems, Straight Connector, with Backdraft Shutter Non Return Valve One Way Valve Performance - up to 250m3 h Connection type - male spigot.
4 Inch Inline Extractor Fan with Backdraft Damper - ABS Plastic Ventilation Shutter for Airflow Control, 4" Diameter Duct Ventilation Component
WIDELY USAGE Suitable for kitchen, toilet, bathroom, etc.
ceiling fan
desk fan
floor fan
hand fan
mini fan
pedestal fan
stove fan
tower fan
USB fan
