The Reactor (gen 1) proportioners are designed for low to medium-output polyurea applications. Machine outputs range from 10 lb (4.5 kg) up to 25 lb (11.3 kg) per minute. Equipment includes both air and electric powered machines. Some models are designed to be used as a portable machine with on-board tanks and reduced power requirements. The controls are simple, with limited features. These machines are designed for a long equipment life, more up time in your spray day, and the overall Graco reliability and durability you have come to expect.