LD Carlson Replacement Fermonster Lid O-Ring

This replacement O-Ring is for the plastic carboy lids on both the 6 and 7 gallon Fermonster Pet Carboy.

Important information regarding Prop. 65 for CA residents.

• Capacity: 4.755 US Gallon Max Capacity (4.25 Gallon to top line before bottle curves)
• Material: Glass
• Plastic screw on lid with recessed cap
• Breather cap can be used as an airlock or replaced with a #3 drilled stopper and an airlock
• Strong nylon woven strap for easy carrying
• Dimensions: 15.25"H x 10.5"W
• Weight: 11 lbs

Disclaimer - These carboys are made of glass and should be handled with extreme care. We have been able to use both hot and cold liquids in them, but they are not impervious to thermal shock and can shatter when exposed to large, sudden changes in temperature. Use caution.

Note - The breather cap is now clear plastic, not black plastic