Aluminum Canister, Compatible with Brand Gast, Type Replacement, Compatible Manufacturer Part Number AA900, AB650, Compatible Grainger Part Number 33K878, 33K881, 33K884, 7Z778, 7Z779, 7Z781, 7Z782, 7Z783, For Use With AA900 Series Filter Assembly, AB650 Series Filter Assembly, Compatible Series AA900, AB650, Series Not Applicable