Hollis HP Air Spool
This small spool fits between a compatible Hollis brass pressure gauge and HP hose connection. Two O-rings form the seals at the swivel connection.
- Replacement HP air spool.
- Dual O-ring arrangement.
- For a compatible Hollis brass SPG.
Confirm the correct spool for the gauge assembly. Install and leak-check the connection according to the equipment manufacturer’s instructions.

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