Rubber Stopper, Size #7
Fits 500ml Pyrex Erlenmeyer Flask; 500ml Pyrex Filter Flask; and 250ml Bomex Filter Flask. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0962
$1.15
Attention Colorado customers. Although our retail store is permanently closed, we still offer some opportunity to pick up an order. Call or text us at 303-777-3777 to arrange a pick up appointment. Thanks!
Fits 500ml Pyrex Erlenmeyer Flask; 500ml Pyrex Filter Flask; and 250ml Bomex Filter Flask. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0962
$1.15This PTFE economical cylindrical-shaped, top quality magnetic spin bar features an ALNICO V magnetic core, assuring high strength magnetization. The inert nonstick PTFE coating resists harsh chemicals, is resistant to scratching and high temperatures. Sold as a pack of five stir bars. NC-14550
$16.95Fits 1000ml and 2000ml Pyrex Florence Flasks; 1000ml Bomex Florence Flask; 1000ml Pyrex Filter Flask; and 500ml Bomex Filter Flask. All of our black rubber stoppers are laboratory grade. Available only with 1-hole. NC-0963
$1.65This PTFE economical cylindrical-shaped, top quality magnetic spin bar features an ALNICO V magnetic core, assuring high strength magnetization. The inert nonstick PTFE coating resists harsh chemicals, is resistant to scratching and high temperatures. Sold as a pack of five stir bars. NC-14551
$24.95Fits 1000ml Bomex Erlenmeyer Flask; 1000ml Pyrex Erlenmeyer Flask. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0964
$1.90Fits 2000ml Pyrex Erlenmeyer Flask; 2000ml Borosilicate Florence Flask; 5000ml Borosilicate Florence Flask; 1000ml Borosilicate Filter Flask. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0952
$2.50MEDIUM flow, 24 cm diameter qualitative grade plain filter circles are ideal for retaining large grain particles and gelatinous precipitates. NC-13476
$34.20This oval-shaped, top quality magnetic spin bar features a Rare Earth Neodymium magnetic core, assuring extremely high strength magnetization coupled with almost total resistance to demagnetization. The inert nonstick PTFE coating resists harsh chemicals, is resistant to scratching and high temperatures. NC-14084
$12.95All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0953
$3.00SLOW flow. This slow flow rate grade with very good retention is used in the filtration of fine precipitates and super phosphates. Also recommended for boiler water analysis applications and gas filtration. NC-14226
$62.95All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0954
$3.95This octahedral-shaped, top quality magnetic spin bar features a Rare Earth Neodymium magnetic core, assuring extremely high strength magnetization coupled with almost total resistance to demagnetization. The inert nonstick PTFE coating resists harsh chemicals, is resistant to scratching and high temperatures. NC-14086
$12.95