Drainage valves
Find and specify drainage valves from top manufacturers with NBS Source. Browse 1 products that are ready to use on your projects. Classification Pr_65_54_24.
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Marley Studor Active Drainage Ventilation
Verified 8 months ago
Aliaxis
Studor P.A.P.A. (Positive Air Pressure Attentuator) and Studor air admittance valves provide a complete active drainage ventilation system.
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