Unfortunately, we are unable to accept online orders at present. Please call us on 01730 774000 or email action@drainfast.co.uk and we can process your order.
160mm Backflow / Non Return Valve - Lockable single flap
160mm UPVC Underground Drainage Back flow / Non Return Valve, Single Socket with lockable single flap. Used to prevent back flow and rodent access from the sewer system.
