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

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.

Unit of Measure

Items	QF-7A-1 Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated List Price $31.00	QF-7A-2 Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated List Price $43.00	QF-7A-3 Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated List Price $91.35	QF-7A-4 Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated List Price $71.10	QF-7A-5 Pyrex Brand, Filtering, Heavy Wall, Tubulation, Graduated List Price $266.50
Capacity	N/A 250 mL	N/A 500 mL	N/A 1000 mL	N/A 2000 mL	N/A 4000 mL
Height	N/A 146 mm	N/A 184 mm	N/A 238 mm	N/A 292 mm	N/A 356 mm
Rubber Stopper No.	N/A 6	N/A 7	N/A 8	N/A 9	N/A 12
Approx. OD	N/A 84 mm	N/A 106 mm	N/A 137 mm	N/A 168 mm	N/A 198 mm
Grad. Range	N/A 75-250 mL	N/A 150-500 mL	N/A 300-1000 mL	N/A 600-2000 mL	N/A 1500-4000 mL
Grad. Interval	N/A 25 mL	N/A 50 mL	N/A 50 mL	N/A 200 mL	N/A 500 mL
Tubulation OD	N/A 10 mm	N/A 10 mm	N/A 10 mm	N/A 12.5 mm	N/A 12.5 mm