Boil & Go… Up to 120 deg C… 20 x 50 mm Foam Stoppers – now… $8.99, best price + free prime ship
20 Pieces Foam Stopper Plastic Foam Plug 50mm Openings for Tubes and Flasks, Beer Making, Yeast Starter
More InfoFrom the product description, check product page for current description, price and availability:
- Autoclavable: yes
- Material: borosilicate glass
- Tolerance (ml): 0.05
- Description: erlenmeyer flask, glass, 2000 ml, 1/pk
- Graduation interval (ml): 400
Made with durable borosilicate 3.3 glass and featuring a heavy-duty rim with narrow-mouth opening there are very few applications these flasks cannot handle. Economical option for everyday use flasks easy read graduations withstands wide temperature range -50 to 550ºc graduated tolerances to 0.05 autoclavable.
50 mm is about 2″. Since this is foam it has some flexibility.
9/12 1:30 PM Central: These have dropped to $8.99. That’s the best historical third party Amazon price I found, notwithstanding Lightning Deals or coupons. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices and availability can change quickly. Check product page for current info – More About Prices
20 Pieces Foam Stopper Plastic Foam Plug 50mm Openings for Tubes and Flasks, Beer Making, Yeast Starter – note that multiple variations of this product may be available, as such a different version may appear at this link
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