Vents Frigate 120/150 Series MERV 13 Filter Set Roof fans Please note: The Twinfresh Expert

Please note: The Twinfresh Expert Weather Guard Kit requires a minimum wall thickness of 9 1/2" for installation

If you need extra backdraft protection please consider adding the MV 152 VK Outer External Hood to your purchase as it includes both a backdraft flapper and a sloped external hood to help drain away water/snow in adverse conditions

Turbo Tube inline fans deliver reliable supply and exhaust ventilation across a wide variety of applications

Built on the same reliable motors and technology as our original Bucket Series

Please note: The addition of the MERV 8 Filter will add approximately 3" to the minimum wall thickness required for the Twinfresh Expert installation

Vents Frigate 120/150 Series MERV 13 Filter Set Roof fans Please note: The Twinfresh ExpertEnhance your Vents US Frigate 120 or 150 Series Whole Home ERV HRV with a more advanced filtration system. This set includes two MERV 13 filters for near HEPA air purification, one for the extraction fan and one for the intake fan. Includes Set includes 2 MERV 13 filters Designed for the 120 150 Series ERV HRV (includes the EC models as well) Images may not be exactly as shown Traps particles from 0. 3 1. 0 microns