there is a reduced possibility of sample dilution from tissue fluids

22" to 23" Circumference Neoprene knee sleeve with durable steel hinged reinforcements allow for flexion and limit medial/lateral movement with a 180° hyperextension stop

inner fabric is cotton/polyester/nylon

and post operative treatment

Nu-Flex One-piece Opaque Cut-to-Fit Convex Adult Drainable Pouch with Nu-Comfort Barrier and Closure Clamp

Closed End Pouch Transparent Odor Resistant 5 X 12 Sold By:Pack(age) of 50 there is a reduced possibilityTorbot Group Inc Two piece Odor Resistant Disposable Pouch 5" x 12", Transparent These pouches compatible with TORBOT Standard Faceplates. Odor Resistant. Available in opaque beige or transparent. Two piece disposable economical pouches are especially suited for colostomy.