🐠 Air Stone Disc Set - 19 Pieces, including 2 Shell and Sucker Air Stones, 236.22 Inch Airline Tubing, Connector, Suction Cup, Check Valve, Air Control Valve - Aquarium Tank Air Pump Accessory Review

Material: airline tubing is made from durable and flexible rubber, connectors and check valves are made from PS plastic, small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage; Air control valve is made of ABS plastic, simple design for easy use; Suction cups are made of PVC material, can stick tightly to the smooth fish tank; Air stone disc with shell and sucker is made of white corundum, silicon carbide and emery. Easy to use: air stone disc with shell and sucker can produce fine bubbles for oxygen replacement and lower CO2 levels, safe for fishes to live in; According to the actual situation, you only need to manually connect the airline tubing to the connection port of the air stone disc with shell and sucker, and deliver air, it can be applied normally. Size: airline tubing: length 19.69 ft, inner diameter 0.16 inch, outer diameter 0.24 inch; Air stone disc: diameter 3.96 inch, thickness 3.54 inch; Suction cups: clamp inner diameter 0.2 inch, diameter of suction cup 1.81 inch; Check valves: length 2.13 inch, diameter 0.16 inch; Connectors: straight-shape length 1.10 inch, T-shape length 1.18 inch, L-shape length 0.79 inch, Y-shape length 1.18 inch, all diameter 0.16 inch; Air control valve: length 1.5 x 0.67 inch, diameter 0.16 inch. Widely applicable: aquarium air pump accessories are suitable for hydroponic systems, ponds, fish tanks, freshwater/ saltwater aquariums and other systems, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth. Package includes: 1 airline tubing, 2 air stone disc with shell and sucker, 4 suction cups, 2 check valves and 8 connectors (straight, T-shape, L-shape, Y-shape, 2 per category) and 2 air control valve, a variety of products to meet your needs.