4" Instant-Seal Cap Set for Still Pot and Thumper (2 Caps)

Say goodbye to messy wheat and flour paste for good with this set of two 4" instant-seal caps, sized for your still pot and your thumper. You solder them on yourself and save, and from then on you get a tight, dependable seal every single run.

Each cap is made from food-grade stainless steel paired with heavy 20 oz, 22 gauge copper, and we've already bonded the copper to the stainless so the install goes easy. No more scrambling to patch a blown seal mid-run, just a cleaner, safer way to distill.

• Two 4" instant-seal caps for pot and thumper
• Food-grade stainless with heavy 20 oz copper
• Copper pre-bonded to stainless for easy soldering
• Ends the need for messy still paste
• Free U.S. shipping

✓ Solid lead-free copper · ✓ Ships free anywhere in the U.S. · ✓ Backed by our 2-year guarantee