C28B is a professional cordless high-pressure equipment, special design for HVAC cleaning industry, it has a crankshaft-driven pump with ceramic-coated pistons for long service life, allowing it to work continuously.

With its 2 adjustable working pressure from 7/28bar for optimal flexible cleaning, it is able to remove the most dirt from condenser & evaporator coils without damaging these sensitive fins.

Using an 18V Li-ion battery for power supply means there is no need to search for AC power sources everywhere, especially when cleaning outdoor air conditioning units. In addition, in order to maximize the utilization of existing Li-ion batteries in users' hands and reduce their purchasing costs, we have specially developed 6 mainstream brand battery adapters (Bosch, Makita, Panasonic, Dewalt, Worx, and Milwaukee)), which can easily be compatible with the use of the above brand batteries.