Keep mosquitoes, frogs and other pests out of your pipework while allowing water to flow out unimpeded with this plastic flap valve. It is the ideal fitting to install at the end of overflow pipes or any charged line to ensure pests can’t enter back into the system. The Flap Valve Vent Screen lets you can do both, safely and effectively. It also prevents a vacuum from forming when large quantities of water are quickly drawn from your tank.

Features

• Keep mosquitoes, frogs and other pests out of your pipework while allowing water to flow out unimpeded with this plastic flap valve
• 90mm flap valve with a stainless steel vent screen
• Keep your tank “breathing” safely
• Mosquito-proof your tank outlets
• Let overflowing water out