The ZH-X185 is versatile and can function either as a blow off unit or a vacuum unit depending on the direction of the output port. There is only one supply port and with available mounting brackets, it is very easy to install.
Passage Diameter: 40 (42mm), Bracket: B (Bracket), Dust Bag: D (w/Dust Bag, Supplied w/Product), Body Material: X341 (Stainless Steel)
Passage Diameter: 42mm, Bracket: Bracket, Dust Bag: w/o Dust Bag, Body Material: Stainless Steel