This product is a Fernox TF1 Sigma Filter 22mm Installer Pack 62509 F1 & F3 Central Heating VATreg. It is a unit type product with a unit quantity of one. The product is designed to be used in central heating systems and is manufactured in an unknown country or region. It is a plumbing and fixtures product that falls under the home, furniture, and DIY category.
eBay