When filled with water allows CO2 gas to bubble out and prevents air from getting in. Enclosed design allows for slower evaporation from airlock bubble. Package contains 2 Twin bubble airlocks and 2 universal carboy bungs that will fit 3, 5, 6 and 6.5 gallon glass carboys.

This is a drilled Tapered rubber bung for a better seal and holds the airlock securely in place. A curved lip stops the bung from accidentally falling into the carboy. All three rubber stoppers are the same Size and easily fits all 3, 5, 6 and 6.5 gallon glass carboys. These stoppers do not fit plas...

This is a drilled tapered rubber bung for a better seal and holds the airlock securely in place.

Use this airlock and stopper in your fermenter to create a closed system that allows CO2 out and prevents harmful bacteria from getting in. Fill to the marked line with sanitizer or boiled water.

3-piece plastic airlock with a Snap-On vented cover. This airlock is easily cleaned and easy to use.

this is amarine-made branded product Amarine-made automatic bilge pump -750gph Compact, automatic, fully submersible electric pump Built-in float switch! (No separate float switch is needed) Equipped with built in electronic controlled reed sensor system for easy fully automatic operation No...

Product Description 800 GPH cartridge aerator livewell pump Fills your livewell / bait tank with clean, oxygenated water to keep your catch healthy Includes two different outlet hose tail configurations - Straight and 90° Changing the oxygenation level helps to keep specific types of bait alive and...

Aspirator II Interchangeable Cartridge Pump - 500 GPH- Features fully submersible ignition protected 12 volt dura-port discharge parts. Anti-airlock protection saltwater tough 100 percent factory tested. Meets and exceeds NMMA, ABYC, ISO 8846, CE and USCG specifications. Three year warranty.

Features: The Amarine-made submersible bilge pumps are tough enough for any bilge. High Flow: for use from 22-234L / Min (1.32-14.04 cubic meters / hour) Small size, high efficiency, low current (low cost switching power supply supporting); to achieve a small size perfect combination of high flow...

Product Description This product is 100% brand new and comes in original packing box Fully submersible electric pump Heavy duty motors, offer high capacity output Water cooled long-life motors Ignition protection Water/moisture tight seals Stainless steel shafts Rustproof and corrosion resi...

Features: The SEAFLO submersible bilge pumps are tough enough for any bilge. High Flow: for use from 22-234L / Min (1.32-14.04 cubic meters / hour), Small size, high efficiency, low current (low cost switching power supply supporting); to achieve a small size perfect combination of high flow Uniqu...

Pro-Line Series Bilge Pump - 750 GPH Bilge Pump - Features fully submersible ignition protected, 12 volt anti-airlock protection, saltwater tough 100 percent factory tested. Meets and exceeds NMMA, ABYC, ISO 8846. Three year warranty.