RESPRO TECHNO UPGRADE KIT (VALVE AND FILTER) COMBO Size:L Braces are approx 140mm long

Braces are approx 140mm long

Allen key attachment for easy attachment

Butylphenyl Methylpropional

Roll top backpack with side compression strap

RESPRO TECHNO UPGRADE KIT (VALVE AND FILTER) COMBO Size:L Braces are approx 140mm longThe Techno Valve and Filter Kit is an upgrade from the old City Mask Valve and Filter still being used by some people. The larger Techno Valve provides for easier breathing alongside the upgrade to the combined chemical particle Techno Filter. The Techno Valve is robust and perfect for town use however it does not have the same characteristics as the Powa Valves when it comes to elevated breathing rates attributed to exercise or physical exertion. The