Aqua Medic Reducing Tee Fitting - 12mm Reducing Tee Fittings are used for the connection of by pass filters like the Nitratreductor and the Calcium Reactor. Airline-sized tubing can be attached to the tee to feed water to your ca...
CO2-Proof Tubing (Black) CO2-Proof Tubing - Normal airline tubing can lose up to 20% of CO2 through its membrane. Silicone tubing reacts w/ CO2 and render it less efficient (thus the silicone hardening over time under CO2 usage)....
A very high-quality German CO2 check valve for freshwater or marine applications. A mid-level & mid-priced, quality check valve between the Metallic and the Plastic units. Takes 4/6 mm (ID/OD) or 1/8" airline tubing.
Plastic check valve for water plant aquariums. The check valve is usually placed between the CO2 regulator and the bubble to prevent water from back-flowing to the regulator.
This Needle Valve is most suitable for Aquarium use. It can provide down to 10 bubbles of CO2 / minute consistently (at 0 pressure). Fits most CO2 Regulator Kits on the market. Inlet - Male Threaded NPT 1/8" (measures 1/4" OD phys...