4PCS 2-Way Aquarium Control Valves Manifolds Air Distributor with Accessories

Description

Features:
2-way valve: allows you to manually adjust the air flow as desired.
Airline tubing: standard 3/16" diameter compatible with most airline accessories.
Check valves: protect your air pump by preventing water from back siphoning during a power outage.
Suction cups: keep your tubing in order.
Includes:
4 x gang valve
4x 8ft tubing
8x check valves
16x suction cups