Versatile All In One Aquarium Check Valves Kit 1 Way Non Return Stainless Steel Air Valve With 2 Plastic Check Valves And 2 Suction Cups For CO2 Systems Fish Tanks And High Pressure Set MeterXity

Premium Aquarium Check Valve Kit for CO2 Systems
✔️ 1 stainless CO2 valve, 1 plastic check valve, 2 suction cups included

This handy kit combines a 304 stainless steel CO2 valve with a plastic valve and two suction cups, perfect for planted tanks and CO2 lines. It keeps backflow in check and shields your air pump from water damage.

✅ Material: 304 stainless steel body with plastic valve sections
✅ Valve sizes: Stainless 40 mm x 8 mm (1.57" x 0.32"), Plastic 50 mm x 14 mm (1.97" x 0.55")
✅ Fits standard pipe inner diameter: 4 mm (0.16")
✅ Includes: 1 stainless CO2 valve, 1 plastic valve, 2 suction cups
✅ Non-return design prevents backflow and overflow during outages

💡 What is a check valve used for in aquarium CO2 and air systems?

It helps prevent backflow and protect equipment in everyday tank setups.

- backflow prevention in aquarium CO2 systems - high-pressure check valve durability with stainless steel - secure, tool-free mounting with suction cups