Stopper component contains gas inlet and outlet tubes. The lower inlet tube has coarse (C) disc sealed on to provide a stream of fine bubbles into the bottle. Complete units are supplied with an LG-1004-116 plastic clamp. All joints are 45/50.
100% Satisfaction Guarantee: At Mansion Labs, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Labs in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.