These Claisen Heads are replacement parts for the 6949M series of PYREX® microchemistry kits (Thomas No. 0320H44).

These PYREX® 1mL and 2mL Craig Receiver Tubes, Recrystallization Tubes, and PTFE Plugs are replacement parts for Craig Tubes for the 6949M series of PYREX microchemistry kits (Thomas No. 0320H44) .

These PYREX® Claisen adapters have Standard Taper outer joints at the upper end and on the parallel sidearm and an inner Standard Taper joint at the lower end.

These PYREX® angle connecting adapters have a sidearm at an approximately 120° angle from the lower joint. The lower end is equipped with an inner 24/40 Standard Taper joint, and the upper end and sidearm with an outer 24/40 Standard Taper joint. This tube is also a replacement part for…

These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 19/22 Standard Taper joints, and the upper end with an outer 19/22 Standard Taper joint. This tube is also a replacement part for…

These PYREX® 105° angle vacuum connecting adapters have a tubulation of 10mm O.D. for attaching to a vacuum pump and inner and outer 14/20 Standard Taper joints. Includes a drip-tip on the inner tube. These tubes are also replacement parts for organic chemistry kits No. 6949K.

PYREX® Standard Taper Enlarging (5732E35 to E50) With outer Standard Taper joint at top and smaller inner Standard Taper joint at bottom 5732E35 adapter is 100 mm long; 5732E47 and E50 are 105 mm long Listings give top joint size to bottom joint size PYREX® Reducing (573D34 to E49) With…

These PYREX® Claisen adapters have 19/22 Standard Taper outer joints at the upper end and on the parallel sidearm and an inner 19/22 Standard Taper joint at the lower end.

These Drying Tubes are replacement parts for the 6949M series of PYREX® microchemistry kits.

This Connecting Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

This PYREX® tube is approximately 200mm long and may be used for simple semi-micro vacuum or atmospheric distillation, either as a reaction flask or a receiving tube. It has two 24/40 Standard Taper outer joints. This tube is also a replacement part for organic chemistry kit No. 6949 (Thomas No. 1234F29).

Pyrex Standard Taper Connecting Tubes (5738E14) Arms are approximately 75° apart Equipped with inner Standard Taper joints that are both 24/40 Often used as a still head adapter Still Head Standard Taper Connecting Tubes (5738H82 and L18) Sidearm is at an angle…

These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 14/20 Standard Taper joints, and the upper end with an outer 14/20 Standard Taper joint. This tube is also a replacement part for…