PYREX Drying Tubes with 24/40 Standard Taper Joint Case of 12 $1,514.91 Quantity discounts available QuantityPrice SKU: COR-7800-24 BRAND: Corning Quantity -+ Add to Cart Details Inverted PYREX drying tube with the inner 24/40 Standard Taper joint at one end only, with a single bulb. The chamber is approximately 110mm long incl... Details Back DetailsInverted PYREX drying tube with the inner 24/40 Standard Taper joint at one end only, with a single bulb. The chamber is approximately 110mm long including the bulb, 30mm O.D. and will take a No. 2 rubber stopper.