- 24 ga. Galvanized metal sleeve
- Polyethylene seal to ensure air tight seal
- Neoprene, High Temperaure Silicone and FDA approved gaskets available
- Gaskets accommodate spiral seam
- Tested to over 30” w.g. positive & negative
- One bolt and two bolt connection available
- Other alloys available
- Available in 3" through 18"
- SpiralSleeve™ is sold in single sleeves.