Gravity Grilles will stop the wind from blowing back down the ducting. 110x54mm is used for Flat channel ducting for 110x54mm, 100 & 125mm dia duct connections. SQUARE EXTRACTOR AIR VENT DUCT GRILLE 4", 5", 6"& 110x54mm.
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Portable Summer Solar Car Cooling Device Car Vent Fan Air Circulation Exhaust Fan For Vehicles With Car Vent Fan
Aliexpress UK
The RV roof vent is made of durable plastic material, UV-resistant and waterproof. This RV roof vent fan provides good air circulation for RVs, trailers, campers and other vehicles, helping to lower indoor temperatures and eliminate odors from food, smoke, waste, pets, etc.
eBay
M2EE RV Vent Fan Blade White 6" 8" 10" 12" Replacement Fan Blade Round Bore RV Fan Blades for Bathroom Roof Vent Range Hood
Aliexpress UK
Bullet Points: 1. Air throughput up to 198 m3/h. Equipped with ball bearings to ensure that the duct fan operates with low noise, about 31dB. Unlike noisy EC chimney duct fans, this fan is worth your money in the long run.
eBay
10 Speed RV Roof Vent Fan 40x40cm Remote Control Caravan RV Roof Skylight Vents Electric Rain Sensor Automatic Lift RV Fan
Aliexpress UK
The RV roof vent is made of durable plastic material, UV-resistant and waterproof. This RV roof vent fan provides good air circulation for RVs, trailers, campers and other vehicles, helping to lower indoor temperatures and eliminate odors from food, smoke, waste, pets, etc.
eBay
3-Speed Manual RV Roof Ventilation Fan 12V RV Ventilating Vent Fan Caravan RV Roof Skylight Vents For 40*40cm Opening size
Aliexpress UK
📦 Includes: 1x Vent Fan (size option) + Mounting Screws. ✅Pure Copper Motor –30% more efficient than aluminum-core fans. 🌀 High-Speed Extractor Fan | 4"/6"/8" Sizes | Mosquito-Proof & Fire-Resistant 🌀.
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4"6"8" Exhaust Fan Energy-saving Wall Mounted Vent Fan Anti-Mosquito Design Ventilator Extractor Fan for Bathroom Kitchen Toilet
Aliexpress UK
100mm (4") Cowled Grille 154x154mm. 125mm (5") Cowled Grille 186x186mm. 150mm (6") Cowled Grille 186x186mm. 110x54mm Cowled Grille 154x154mm. Ideal for mounting on an external wall that is in an exposed position and where an outlet will be open to bad weather.
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Remote Control/Manual 15.7'' Caravan Roof Vent Fan 12V RV Camper Car Accessories Skylight Motorhome RV Roof Ventilation Fan
Aliexpress UK
VA140/150 Panel models are designed to alleviate the everyday problems that condensation and household odours may cause. Effectively extracts odours and moisture laden air from kitchens giving a healthy and fresh environment. Specifically sized to meet the Building Regulation requirements for powered extract ventilation in domestic kitchens. All VA140/150 models have a Trickle Ventilation Control facility fitted as standard. The VA140/150 range is fitted with internal and external louvres conforming to the latest international safety standards. Single speed kitchen extract fan with On/Off pullcord. Trickle ventilation facility.
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Solar Vent Fan Monocrystalline Silicon 10W Solar Panel Powered Fan Eco Friendly Quiet with Stand for Pet House
Aliexpress UK
Bullet Points: 1. Air throughput up to 198 m3/h. Equipped with ball bearings to ensure that the duct fan operates with low noise, about 31dB. Unlike noisy EC chimney duct fans, this fan is worth your money in the long run.
eBay
Universal Caravan Ventilation Exhaust Fan, Roof Vent Fan Camper Van With LED Light Caravan Skylight Hatch Ventilation
Aliexpress UK