In Reply to: C3 (H-H) Air Cleaner Supplier posted by Tim Daley(MI) on October 26, 2017 at 08:44:40:
The 9N-9600-C3 was an H-H with a tangential V-clamp. The one with the two toggle clamps was the 9N-9600-D. The United with the "U" was -C2. We knew who made the H-H cleaner, but I can't find it now.