Fermenting

The #9 1/2 Drilled Stopper fits 2000ml Flasks.Top diameter 1 13/16 Bottom diameter: 1 1/2”

The #8 Drilled Stopper fits 1000 ml Erlenmeyer Flasks.Top diameter: 1 5/8” Bottom diameter: 1 3/8”

The #81/2 Rubber Stopper fits into fermentors or vessels with esoteric sized openings.Top diameter: 1 11/16” Bottom diameter: 1 7/16”

The #7 Rubber Stopper fits older 3, 5 and 6 – gallon glass carboys manufactured in Mexico prior to 2007.Top diameter: 1 7/16” Bottom diameter: 1 3/16”

The #7 1/2 Rubber Stopper fits into fermentors or vessels with esoteric sized openings.Top diameter: 1 1/2” Bottom diameter:1 1/4”

The #6 Rubber Stopper fits 1 or 1/2 gallon jugs or growler openings.Top diameter: 1” Bottom diameter: 1 1/16”

The #13 Rubber Stopper fits into fermentors and vessels with esoteric sized openings.Top diameter: 2 11/16” Bottom diameter: 2 5/16”

The #11 Drilled Stopper fits the opening of a 15 – Gallon Demi-Johns and some 55 - gallon wood barrels.Top diameter: 2 1/4” Bottom diameter: 1 5/16” 

The #10 Rubber Stopper fits fermentors or vessels with esoteric sized openings.Top diameter: 2 1/16” Bottom diameter: 1 5/8”

Replacement for 6.5 & 7.9 gallon bucket lids.

Clear Glass Jug works great as a primary or secondary fermentor for experimental batches of beer, mead, wine or cider. Accepts a #6 rubber stopper for use with air locks.

The #101/2 Rubber Stopper fits into fermentors or vessels with esoteric sized openings.Top diameter: 2 1/16” Bottom diameter: 1 3/4”