Pouring ring for Corning® media storage bottles clear, GL 45 | Sigma-Aldrich
Pouring ring, PP, for laboratory bottles | BRAND
Replacement Pouring Ring for Bench Pint | OD260 Inc., Experts in Adenovirus Vectors
PUREGrip Reagent Bottles, 3L, Amber, pouring ring, G45 Screw Cap | Worldwide Life Sciences
Screw top bottle DURAN® brown glass Without pouring ring and screw cap | Glass bottles | Containers, bottles, tins and canisters | Laboratory Glass, Vessels, Consumables | Labware | Carl Roth - International
Pouring ring for GL45 (สีฟ้า) #2924228 Duran - Plant Tissue Culture Supplies by SAC SCI-ENG