24H shipping Home Flat Filter G3 Iso Coarse 60% 250 x 280 mm MF/FAN G3 ISO COARSE 60% 250x280 mm zł31.72 Flat skeleton filter for recuperator and mechanical ventilation, dimensions 250x280 mm, filtration class g3, Iso Coarse efficiency 60% Economical low cost filter for basic filtration. Coarse pre-filter for air filtration in fan coil units, ventilation and recuperator unit. Add to cart