Online - Pay by credit card, check or your account.
By Phone - Call us at 800.628.7748 Mon.- Thurs. 7:30 -4:00 pm EST, Fri.7:30-3:00 EST
By Fax - Fax your order with ourpdf form.
FLAT WIDTH 3/8". Made of seamless, regenerated cellulose. This membrane with an average pore radius of 24Å, is excellent for use in demonstrations of osmosis. (100 ft. roll)