Replacement Catalyst TowerReplacement Catalyst Tower Back to: Parker Balston Zero Air Generators Replacement Catalyst Tower Product Code: 22004 Replacement Tower Module for Zero Air Generator Model 76-803 Please call the sales team on 01494 563377 or email for pricing details Description Turn in-house compressed air into ultra-pure air (<0.1 ppm total hydrocarbons). Remove hydrocarbons to less than 0.1 ppm by catalytic oxidation. Operate at 40 to 125 psi (276-862 kPa). Typical payback is less than one year, based on cylinder costs. Install easily and take up little bench space. Maintenance kits include a one year supply of prefilters and final filter. *Parker Model 75-83NA (Restek cat.# 20684) is a wall-mount model, and its dimensions are 10″ x 12″ x 3″.