Buffalo 4 inch / 110mm Non Return Valve, stainless steel door anti rodent valve Screwdriver Leads are easy to refill

Leads are easy to refill from the back

Kit contents:

All metal parts made of high quality brass

accessories and tools

000 locations

Buffalo 4 inch / 110mm Non Return Valve, stainless steel door anti rodent valve Screwdriver Leads are easy to refill110mm Buffalo Stainless Steel Door Non Return valve with WRc Approval. Suitable for clay, PVC & cast iron pipe systems to suit installation within either an outlet or inlet of a drainage chamber. Secured into pipework within drainage chambers effectively discouraging rats and rodents from entering a property via a drainage system. Features Stops backflow of effluent into properties, businesses and homes during flooding. Used extensively in properties