Ø 100mm / 4'' Round Spigot Ensures a Secure and Efficient Connection to your Ventilation System

Durable ABS Plastic Construction for Long-lasting Performance in Outdoor Environments

Cowled Design Prevents Rainwater and Wind from Entering the Ventilation System

Integrated Backdraught Shutter / Damper Flap Prevents Reverse Airflow and Minimizes Unpleasant Odors or Draughts

Ideal for Garden Sheds, Greenhouses, and other Outdoor Structures | Perfectly Suited for Use with Bathroom Extractor Fan, Tumble dryer, Cooker hood, Hydroponics, etc.

Brown Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters. 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille for indoor or outdoor use.

Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.

Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.

This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems.

Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 7200mm2. Static Pressure Drop in Pascals: 15 l/s = 10.94 Pa - 30 l/s = 18.59 Pa - 60 l/s = 24.21 Pa.

White plastic ducting air outlet / inlet square grille with fixed louvres and anti insect mesh / flyscreen.

155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille can be cut off if flat surface preferred.

Louvre can be flicked open with flat head screwdriver for ease of installation and to allow cleaning of insect screen.

Fits inside Kair 100mm round female duct Pipe Part: DUCVKC250 or 102mm flexible hose Part: DUCP0092/102/35.

Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan vent, Hydroponics fan, or In-Line Extract Fan.

White Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters. 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille for indoor or outdoor use.

Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break.

Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.

This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems.

Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 7200mm2. Static Pressure Drop in Pascals: 15 l/s = 10.94 Pa - 30 l/s = 18.59 Pa - 60 l/s = 24.21 Pa.

Black plastic ducting air outlet / inlet square grille with fixed louvres and anti insect mesh / flyscreen.

155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille can be cut off if flat surface preferred.

Louvre can be flicked open with flat head screwdriver for ease of installation and to allow cleaning of insect screen.

Fits inside Kair 100mm round female duct Pipe Part: DUCVKC250 or 102mm flexible hose Part: DUCP0092/102/35.

Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan vent, Hydroponics fan, or In-Line Extract Fan.

【100mm Gravity Grille Vent】Features a louvred design for flexible ventilation and protection against unwanted intruders. When ventilation ceases, the louvres automatically close to efficiently prevent cold air and dust

【Durable & Weatherproof】Crafted from robust polypropylene plastic, offering exceptional durability and corrosion resistance. Features a removable metal insect screen, effectively preventing insect intrusion

【Easy Installation】This grille air vent is designed with pre-drilled mounting holes and includes 4 screws for secure installation.. Follow these steps for installation: mark the drill hole positions → drill the holes → open the flap → secure the grille with the provided screws

【Perfect Fit】 Panel dimensions: 142mm x 142mm. Flange height: 34mm. Vent opening size: 99mm. Perfectly compatible with 100mm ventilation ducting

【Wide Applications】Suitable for both indoor and outdoor use. Ideal for bathrooms, kitchens, rooms, offices, range hoods, basements, and attics. Note: Pay attention to noise levels when installing indoors

【Durable】The ventilation grille is made of high-quality ABS plastic, featuring excellent durability and corrosion resistance. It provides reliable protection for your ventilation system. Comes with a built-in fly screen and 4 screws for stable installation

【High Efficiency Ventilation】Hon&Guan 100mm square ventilation grille is equipped with a removable metal fly screen. The fine yet robust mesh effectively prevents pests from entering. The louvred design both keeps rainwater out and promotes air circulation

【Easy Installation】This 100mm ventilation cover is designed with pre-drilled mounting holes and includes 4 screws. No special tools are required, enabling quick and simple installation

【Perfect Fit】Panel dimensions: 140mm x 140mm. Flange height: 34mm. Vent opening size: 100mm. Ideal for 100 mm ventilation pipes, and suitable for indoor/outdoor supply and exhaust ventilation systems as a ventilation cover

【Wide Applications】Suitable for both indoor and outdoor use, and can be installed on walls or ceilings. Ideal for bathrooms, kitchens, rooms, offices, range hoods, basements, and attics

FITS 4” DUCTS & STANDARD OPENINGS – Designed with a Ø3.9 inch (100 mm) connection and 7.5 x 7.5 inches (190.5 x 190.5 mm) outer frame. Compatible with dryers, bathroom fans, and HVAC vents. SCREWS INCLUDED for a secure wall mount.

BACKDRAFT & PROTECTION – Integrated gravity flap prevents cold air, dust, and unwanted things from entering. Keeps airflow one-way and efficient.

QUICK DIY INSTALLATION – Simple to mount with pre-drilled holes. Includes screws and screw caps for a clean finish. No need for extra tools.

BUILT TO LAST IN ANY WEATHER – Made from UV-resistant ABS plastic that withstands sun, rain, snow, and frost. Won’t yellow or crack over time.

PERFECT FOR OUTDOOR VENTING – Ideal for home exterior dryer outlets, bathroom exhaust fans, kitchen extractor systems, or garage ventilation.