Suitable for microchemical applications Side-arm on all sizes is approximately 77 mm below the top of the neck at an angle of 75° Adaptable for use with thermometer calibrated for 76 mm immersion 50 mL flask takes rubber stopper No. 1; 250 mL flasks, stopper No. 3; 500 mL flask, stopper No.…

These 1L PYREX® three vertical neck flasks have two side necks with 24/40 outer Standard Taper joints and a center neck with a 24/40 Standard Taper joint. All of the necks are at the same height