Pack 24H shipping Home Frapol Onyx Classic 550 a complete set of effective replacement cartridges for... *Frapol Onyx Classic 550 efektywny zł144.72 A set of highly efficient, environmentally friendly anti-dust filter elements for the Frapol Onyx Classic 550 recuperator. Made of thick synthetic filtering fleece with progressively built-up polyester fibers, thermally joined and gradually thickening towards the air outlet side. They are distinguished by high efficiency thanks to a very large dust... Add to cart