Deluxe quick fit wall kit, which can be installed entirely from the interior of a property, helping to save time, money and energy. The kit includes an adjustable wall liner, white external grille and rubber seal. his versatile kit can be easily adjusted to suit the thickness of the wall, ranging from 225mm to 390mm. designed to protect against water ingress and can also be used as a passive air inlet grille. Includes backdraught shutter- Mounted through wall- Passive vent- Adjustable from 225mm to 390mm- Can be used with any 100mm fan- Includes backdraught shutter- The external rubber seal covers up any break-out on the external hole and leaves a clean, tidy finish. In addition, the rubber seal will help to protect against water ingress.

This item can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, positive input ventilation, air conditioning, HVAC, and Heat Recovery systems- Perfectly suited for ducting your bathroom or kitchen extractor fan, hydroponics, in-line extract fans, tumble dryer, or a cooker hood- Suitable for use with the ventilation system- Chrome finish- Grille 4-Inch Chrome- Easy to install and durable

Gravity Shutter 4-Inch Black- HIPS material- Black Finish- Easy installation: The grille is easy to install and can be fitted to any wall or ceiling.- Improved indoor air quality: The grille helps to improve indoor air quality by exhausting stale air and bringing in fresh air. This can help to reduce the risk of allergies, asthma, and other respiratory problems.- Reduced moisture levels: The grille also helps to reduce moisture levels in the air, which can help to prevent mold and mildew growth.