6 inch / 150mm Air Vent Grille for use with Kair System 150mm Round Ducting. Available in 4 colours: White (DUCVKC275) Terracotta (DUCVKC275-TC) Brown (DUCVKC275-BR) Beige (DUCVKC275-BG). The 150mm male spigot on the back of the grille fits inside Kair 125mm Round Female Duct Pipe (Part: DUCVKC267 ) or 152mm flexible hose (Part: DUCP0092/152/35 ). Perfect as an outlet for kitchen bathroom and toilet extractor fans. Also a popular choice as an air inlet or air outlet / exhaust for a whole house ventilation system such as a positive pressure / input unit or a heat recovery unit. It is easy to instal just push-fit grille and ducting together & seal if required using a method of your choice (Popular options include Mastic Sealant Poly Cement or Tape). This listing is for a genuine Kair product. Accept no imitations. Kair Ventilation Ltd offers a 100% Satisfaction Guarantee for your peace of mind. Kair ducting is made in the UK using high quality plastic. Unlike generic imported products Kair products are made in the UK and are compatible with the extensive range of fittings outlets and grilles in multiple sizes to offer your a complete solution for all of your ventilation needs. For other sizes please use the search bar above. Kair Ducting comes in the following sizes: 100mm Round 125mm Round 150mm Round 110mm x 54mm Rectangular 150mm x 70mm Rectangular 180mm x 95mm Rectangular 204mm x 60mm Rectangular 220mm x 90mm Rectangular 234mm x 29mm Rectangular 310mm x 29mm Rectangular. If you have any questions please do not hesitate to ask fellow purchasers via the Customer Questions & Answers system below.