Kair Louvred Grille 150mm / 6 inch with Flyscreen. This plastic 150mm / 6 inch air exhaust outlet has fixed louvres and an insect screen. It features a 6 inch / 150mm round male spigot on the back that fits inside most comparable size pipes/hoses, such as Kair 150mm Round Female Duct Pipe Part: DUCVKC670 or 150mm flexible hose Part: DUCP0092/152/35. It is easy to install; simply push-fit together and seal if required using your preferred method (popular options include Mastic Sealant, Poly Cement, or Tape). Suitable for use in compliance with Part F Building Regulations, with a Max / Min Temperature range of +60c / -15c. Airflow performance is independently tested by BSRIA or BRE. Also available without a fly/insect screen. It is perfectly suited as an outlet for your Bathroom, Toilet, or Kitchen extractor fan, Hydroponics In-Line Extract Fans, or Cooker Hood. Covered by the Kair 100% Satisfaction Guarantee. Unlike generic imported products, Kair products are made in the UK and are compatible with an extensive range of fittings, outlets, and grilles in multiple sizes to offer a complete solution for all your ventilation needs. This item can be used as part of a long ductwork run for various purposes including whole house ventilation, passive stack vent, positive input ventilation, air conditioning, HVAC, and Heat Recovery systems. Kair SYS-150 plastic rigid ducting is perfect for DIY and Trade use, providing superior airflow performance and durability compared to flexible duct. The grille has a 183mm x 183mm external dimension. The louvre can be flicked open with a flat head screwdriver for ease of installation and to allow cleaning of the insect screen. It fits inside Kair 150mm round female duct Pipe Part: DUCVKC267 or 152mm flexible hose Part: DUCP0092/152/35.