Set Co2 Diffuser Atomizer Regulator Reactor For Fish Tank Aquarium Plant Moss The product is shipped based on the color or size of the main image of the product page. SODIAL(R) Set CO2 Diffuser Atomizer Regulator Reactor for Fish Tank Aquarium Plant Moss sturdy and durable. Powerful sucker to attach to the fish tank and aquarium. Surface treatment: oxidation nickel, refined cup, non-slip knurled. adjust the length freely according to the height of fish tank. Chips will have bubble accumulation in the early stage, usually disappear after 24 hours. If the chips are not easy to vent or are covered with algae for a long time, please soak or replace them with bleach. colour: Silver Material: Aluminium Alloy size: 62mm Sucker Diameter: 24mm PU Pipe Diameter: 4mm PU Pipe Length: 200cm Refinement Cup Diameter: 24mm Package Contents: 1 * CO2 Diffuser 1 * Sucker Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.