Small U Bend Delivery Tubes Pp. Pre-bent rigid polypropylene delivery tubes. Unbreakable in normal use ideal substitutes for fragile glass alternatives. Suitable for many types of gas collection experiments. Nine types available. Supplied in pack of 5.The tubes have an i.d. of mm, and an o.d. of mm.please note these are not suitable for use at higher temperatures as this will distort the polypropylene.
