Astraglass Innovations (Quark Enterprises, Inc.) - QRA-3 Reaction Head, Four-Neck

Conical flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask. Fourth port is a #7 internal thread with nylon bushing to permit a thermometer to be inserted vertically to the bottom of the vessel.

Unit of Measure

Items	QRA-3-1 QRA-3 Reaction Head, Four-Neck List Price $342.70	QRA-3-2 QRA-3 Reaction Head, Four-Neck List Price $344.30	QRA-3-3 QRA-3 Reaction Head, Four-Neck List Price $358.40	QRA-3-4 QRA-3 Reaction Head, Four-Neck List Price $490.30	QRA-3-5 QRA-3 Reaction Head, Four-Neck List Price $500.40
Flange	N/A 100 mm	N/A 100 mm	N/A 100 mm	N/A 150 mm	N/A 150 mm
Center Neck	N/A 24/40	N/A 29/42	N/A 35/25	N/A 24/40	N/A 29/42
Side Necks	N/A 24/40	N/A 24/40	N/A 35/25	N/A 24/40	N/A 24/40