DescriptionThis item is a set of 40pcs fish tank check valves. Its best to keep your air pump above your aquarium or hydroponic set-up, but sometimes that just isnt an option. Our check valves have got you covered! They wont let you defy gravity, but theyll keep water out of your pump.Features-Color: Black white, white red. -Material: Plastic. -Size: About 4.20X1.30X1.30cm/ 1.65X0.51X0.51in. - Preferred quality materials plastic, good quality, safe, durable and practical. -Great one way non-return check valves for fish tank air pump or fish tank air pump. -Protect your air pump by preventing the aquarium water from anti-siphoning during power outages. -You will receive 40pcs aquarium check valves, small and compact. It's easy to install. -Efficient and practical, fast and convenient, can protect your air pump, convenient to use.
