Our Location
304 North Cardinal St.
Dorchester Center, MA 02124
Overview
Elevate your home fermentation with our premium 316 stainless steel fermentation lid, engineered specifically for 86mm wide mouth Mason jars. This innovative lid system combines a self-burping one-way valve with an automatic hold-down spring, creating the perfect anaerobic environment for lactic acid fermentation. The medical-grade 316 stainless steel construction resists acid and alkali from brine, ensuring rust-proof durability without harmful substance precipitation
Application
Kimchi, sauerkraut, pickles, and all lacto-fermentation projects
Kombucha, kefir, and fermented beverages
Wide mouth Mason jars (86mm opening)
Details
Color
Sealing
Dimension
Shape
Certificate
MOQ
Packing
Silver
/
86mm Wide Mouth
/
FDA
1,000 pieces
Carton
Compatibility: 86mm wide mouth Mason jars
Material: Medical-grade 316 stainless steel
Valve: Built-in silicone one-way check valve
Spring: Self-adaptive hold-down spring
Dimensions: 86mm diameter × 108mm height (assembled)
Features: Automatic gas release, adjustable tension spring
One-Way Automatic Gas Release: The integrated silicone check valve vents fermentation CO2 out while keeping oxygen and mold out—no messy water seal needed
Self-Adaptive Hold-Down Spring: Automatically adjusts tension as ingredients shrink, keeping vegetables fully submerged to prevent floating and moldy ferments
Medical-Grade 316 Stainless Steel: Superior corrosion resistance for long-term use, ideal for acidic brine environments
Easy to Clean & Reusable: Dishwasher safe, non-reactive to salt or acid, built to last
