QF-7A Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated On Astraglass Innovations (Quark Enterprises, Inc.)

These flasks with tubulation are blown in special molds in shapes designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. on sizes up to 1000 mL is 10 mm. Tubulation O.D. for 2000 ml and 4000 ml is 12.5 mm.

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Item #	Capacity	Height	Rubber Stopper No.	Approx. OD	Grad. Range	Grad. Interval	List Price	Add To Cart/Request Quote

QF-7A-1	N/A 250 mL	N/A 146 mm	N/A 6	N/A 84 mm	N/A 75-250 mL	N/A 25 mL	$31.00	Add To Cart Request Quote
QF-7A-2	N/A 500 mL	N/A 184 mm	N/A 7	N/A 106 mm	N/A 150-500 mL	N/A 50 mL	$43.00	Add To Cart Request Quote
QF-7A-3	N/A 1000 mL	N/A 238 mm	N/A 8	N/A 137 mm	N/A 300-1000 mL	N/A 50 mL	$91.35	Add To Cart Request Quote
QF-7A-4	N/A 2000 mL	N/A 292 mm	N/A 9	N/A 168 mm	N/A 600-2000 mL	N/A 200 mL	$71.10	Add To Cart Request Quote
QF-7A-5	N/A 4000 mL	N/A 356 mm	N/A 12	N/A 198 mm	N/A 1500-4000 mL	N/A 500 mL	$266.50	Add To Cart Request Quote

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