F8 BOX FILTER FOR SAYR SYSTEMS
This filter offers the standard F7 level of filtration and is suitable for use in Sayr systems
This F8 box filter DIY installation pack includes the “Ventsure” replacement filter to replace the filter in your Sayr system.
The filter is made from internationally rated F8 high efficiency filter material and manufactured in a deep pleat form to maximise air flow and make a strong hardy filter. The core is also machine sealed to further prevent air bypass.
The filter should last 12 months before needing replacement.