A pair of genuine Vent-Axia F7 grade filters for the loft mounted PIV units.
These will fit:
125mm 5" G3 Cone Filter *FOR EXTRACT VALVES*
Domus HRX2D Replacement Filters
Elta / Homevent Loft Mounted PIV Replacement Filter *Fits Pre - 2020 Elta Loft Mounted PIV Models*
Elta / Homevent Wall Mounted PIV Replacement Filter *Fits Pre-2020 PIV Wall and iPIV Wall Models*
F'air Replacement Filters for Vaillant RecoVAIR VAR275/350 Bypass MVHR Unit