1A (22 to 30 mm OD) vs 2A (35 to 50 mm OD): specs compared
Updated 05 September 2026.
3
specs differ
1A (22 to 30 mm OD) and 2A (35 to 50 mm OD) differ on 3 specs: clamping range, suits, sizing rule.
| Spec | 1A (22 to 30 mm OD) | 2A (35 to 50 mm OD) |
|---|---|---|
| Clamping range | 22 to 30 mm hose outer diameter | 35 to 50 mm hose outer diameter |
| Suits | 20 mm bore pond and pump hose on its barb | 32 to 40 mm bore pond and pump hose on its barb |
| Type | worm-drive, continuously threaded band | worm-drive, continuously threaded band |
| Sizing rule | aim for mid-range, measure on the spigot | measure OD on the spigot, aim mid-range |
Questions and answers
How do 1A (22 to 30 mm OD) and 2A (35 to 50 mm OD) compare?
1A (22 to 30 mm OD) and 2A (35 to 50 mm OD) differ on 3 specs: clamping range, suits, sizing rule.