G4 Pleated Panel FilterG4 pleated panel filters are used to filter air flowing through a ducting system. These are made from moisture resistant cardboard, G4 filteration and perforated mesh to stop the air from penetrating the product.Moisture resistant cardboard frameStrong robust constructionExtended surface area for high dust holding capacity Air handling replacement filtersALL SIZES ARE KNOCKED DOWN SO THEY FIT INSIDE THE DUCT eg: 500x500x50mm = 496x496x47mmSKU: Alph57 FILTERS Please select293(H)x293(W)X47(D)MM 394(H)x394(W)X47(D)MM 496(H)x394(W)X47(D)MM 496(H)x496(W)X47(D)MM 596(H)x396(W)X47(D)MM 596(H)x596(W)X47(D)MM £0.00 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friend