Pet Worx – Check Valve – 12Pk Harnesses Work out your pond’s volume

Work out your pond’s volume to choose the right size and number of blocks

easy-to-digest ingredients to keep adult cats energised

minerals and nutrients

Economical: long-lasting pellets that go further between changes

Supervise play

Pet Worx – Check Valve – 12Pk Harnesses Work out your pond’s volumeProtect your air pump and keep your aquarium systems running smoothly with the Pet Worx Check Valve 12 Pack. These one way valves stop water siphoning back down the airline into your air pump a simple safeguard for essential equipment. Prevents backflow: stops water flowing back into your air pump, protecting equipment and extending its working life. Durable plastic construction: made from quality plastic that is built to last. Easy to install: fits