Fluidmaster Air Gap Side Inlet Filling/Float Valve with 1/2" Brass Inlet Model:Side Entry They achieve this by balancing

They achieve this by balancing the inlet pressure against the resistance of a spring

They are made from highly durable polypropylene and come complete with 1” brass BSP female connections

- Constructed from polypropylene

- 6/7/9 Litre volume adjustment guaranteeing optimum flush performance

Fluidmaster Air Gap Side Inlet Filling/Float Valve with 1/2" Brass Inlet Model:Side Entry They achieve this by balancingDESCRIPTION: Fluidmaster Air Gap Side Inlet Filling Float Valve with 1 1 2" Brass Inlet. SPECIFICATIONS: Unique Fluidmaster AIR GAP technology totally eliminates backflow Spiral Vortex Generator for quiet cistern refill Easy service no tools required High performance at high and low pressure Saves water every flush up to 1 litre.