Martech 76512 Model 150-E is designed to support ten to twelve supplied air respirators at the same time. The digital read out Electro-chemical cell monitor is easy to operate and maintain. Built in alarm lights and audible horn alert users if conditions exceed the preset OSHA levels. Complete with our four-stage filtration and panel mounted. This system is available as shown or without manifold block. Pictured here with 10 outlets.