Evolution Aqua EVO UV Replacement Pond Quartz Tubes Pond Pump Cleaner They are also supplied with

They are also supplied with a threaded airline connected that accepts any airline of 8mm/10mm internal diameter

External Overall Dimensions: (LxWxH): 51 x 39 x 39cm

2700 Air Pump Set - Diaphragms and rubber seals

Blue Foam: 16cm at widest points

Evolution Aqua EVO UV Replacement Pond Quartz Tubes Pond Pump Cleaner They are also supplied withEvolution Aquas replacement quartz tubes 15w 25w 30w 55w are designed specifically to replace the existing quartz sleeves in the Evolution Aqua EVO clarifier range. There are two quartz available one for the EVO15 EVO25, and another for the EVO30 EVO55. These quartz sleeves help protect the bulb unit from air and water flow, breakage, leakage, temperature fluctuations, and environmental hazards. They should be replaced once a year as algae and dirt