4" Tri-Clamp Spools 12-inch Select Length:8-inch 4LB - Will fit our

4LB - Will fit our XL Molecular Sieve Filter Drier

10" Vacuum Chamber Digital Heat Pad

The maximum recommended pressure is 125 PSI

Rubber Feet for noise dampening

4" Tri-Clamp Spools 12-inch Select Length:8-inch 4LB - Will fit our4" Tri Clamp Tri Clover Spools Sizes Available: 4" x 2" Tri Clamp Spool 4" x 4" Tri Clamp Spool 4" x 8" Tri Clamp Spool 4" x 12" Tri Clamp Spool 4" x 18" Tri Clamp Spool 4" x 24" Tri Clamp Spool 4" x 36" Tri Clamp Spool 4" x 48" Tri Clamp Spool Specifications Tri Clamp Size 4" Material 304 Stainless Steel Standard 3A High Polish Spool OD 4" Spool ID 3. 834" Flange OD 4. 682" Bead Center 4. 344" OD = Outer Dimension ID = Inner DimensionDisclaimer to