2Pcs Aquarium Diy Co2 System Kit Generator Bottle Cap Quick Screw Cap

Features: Type:Quick Screw Caps Color:as the picture Material:ABS Size:3.2*3.4CM Applicable to various DIY reactors, directly screwed on carbonated beverage bottles for use, safe and durable, no air leakage

Package include:2PCS Quick Screw Caps The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.