HRV filter (Steel fan Box) & SAYR Generation 1 compatible diffuser 1 x 10 x 4-1/2

1 x 10 x 4-1/2 inch Carbon GAC filter

HRV JANUS SYSTEM compatible filter

Kills mould

6m x 200mm  insulated fully flexible duct with seamless fire retardent silver outer sleeve

(GAC) Granular Activated Carbon often known as GAC

HRV filter (Steel fan Box) & SAYR Generation 1 compatible diffuser 1 x 10 x 4-1/2HRV & SAYR compatible filter. Pre 2014 Steel fan box in roof HRV filter media is Lofted synthetic polypropylene with an extended deep pleated surface which allows for more media surface area, resulting in excellent dust loading capacities and longer lifespan. Come with duct tape Product information HRV filter Janus system compatible High Efficiency Grade F7 EU7 Filter class EN779 Eurovent 4 4 Performance data based on ASHRAE 52. 2. 1992 305mm height