The you need to vent your fireplace, furnace, hot water heater, boiler or other direct vent appliances this twist lock 12 inch adjustable direct vent pipe length will do the job. This adjustable venting pipe will adjust from twelve inches long to eighteen inches long. The inner diameter measures four inches and the out diameter measures seven inches. Twist lock technology means that connections are fast, easy and secure. The connection on this adjustable pipe length does not need adaptors or adhesive.
- Effectively vents direct vent appliances
- Adjusts from 12" to 18" long
- 4" inner diameter and 7" outer diameter
- Connects to other components with simple twisting - no sealant required
- Suitable for vertically-terminated, horizontally-terminated, and free-standing applications