Options CW4–CW16

Updated: Aug 17th, 2026

Return air filter cabinet for model CAUA
• CW4, CW5, CW 6, CW 7, and CW12 have either a horizontal or vertical inlet
• CW8, CW9, and CW10 are for unit sizes 150 and 200 and have a horizontal inlet
• CW13, CW14, CW15, and CW16 have a bottom duct connection