Vital React Honey Safety Boot - 10/44 Bricklaying Tools Anti flood non-return valves are

Anti flood non-return valves are an effective back flow prevention device used to stop reverse flow of foul and waste water from the drainage system

the foam forms a flame smothering seal to prevent reignition

Can also be used as a stabiliser

Designed to prevent the spread of fire through concrete and masonry walls/floor sand above ground drainage

Vital React Honey Safety Boot - 10/44 Bricklaying Tools Anti flood non-return valves areThis super lightweight honey hiker perfectly balances style and safety with key features including a safety toecap, protective midsole, and a rubber sole for superb grip. The removable comfort insole, pull loop and cushioned EVA midlayer ensure easy wearing and day long comfort. This design is perfect for the more fashion focused wearer. Pierce Resistant 1100N CE Spec EN ISO 20345: 2011 SiP SRC