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PYREX 12000ML 12 LITER ROUND BOTTOM BOILING FLASK SHORT RING NECK NEW IN MFG BOX | eBay
Antiques & Collecting: Pottery ring used for flask – AgriNews
248857 - C Shaped Lead Ring Flask Weight, Vinyl Coated, Open, 2.0 Inch Inner Diameter for 250-1000ml Flasks, 1 Pound
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248856 - C Shaped Lead Ring Flask Weight, Vinyl Coated, Open, 1 3/4 Inch Inner Diameter for 125-500ml Flasks, 1/2 Pound
Bel-Art C-Shaped Lead Rings for Flasks Fits flasks from 125 to 500mL; Inside | Fisher Scientific
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Corning 4260-500 PYREX® 500mL Short Ring Neck Boiling Flask with Round Bottom - F2940-500 - General Laboratory Supply
Vinyl Coated C-Shape Laboratory Flask Lead Ring Heathrow
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Storage Flask, #15 O-Ring Joint
File:The ring flask from Area A (survey).jpg - Wikimedia Commons
Lab Flask Cork Ring Stand
Bel-Art SP Scienceware Round Lead Ring Flask Weights with Vikem Vinyl Coating:Clamps | Fisher Scientific
Flask Cork Stand Holder Round Bottom Support Laboratory Ring Pad Stands Base Experimental Rings Mat Beaker Experiment - Walmart.com
Bel-Art F18308-0500, C Shape Lead Ring Flask Weight For 125 - 500ml Flasks, 1 Weight/Unit - 93-175 | Genesee Scientific
