Your Price: $675.00 PN: NP-0022-0573A Description: ACD, block only. (4 filters) FUNCTION/RATING: Auto bleeding of condensate seperators. 5000psi maximum. INCLUDES: 4 drain block assembly, manual bleeder w/safety chain. REQUIRES: Timer, solenoid, plumbing. Kit is available (use NP-0022-0650AK). ORIGIN: 100% made in USA.