This F8 box filter DIY installation pack includes the “Ventsure” replacement filter, easy to follow DIY instructions and enough tape to fit the filter.

The filter is made from internationally rated F8 high efficiency filter material and manufactured in a deep pleat form to maximise air flow. The filter has a machine sealed core and a sealing lip that, once tapped will prevent air bypassing the filter.

The filter dimensions are 300mm x 295mm x 130mm and will fit a Sayr system.

The filter will last 24 months before needing replacement.