McKesson Drain Split Sponges from IndeMedical.com offer easy application around drains, chest tubes, catheters, tracheotomies, and I.V.s. 100% rayon, non-woven sponge is fast wicking and superior absorbency. Pre-cut, U-shaped fenestration fits around most drains, catheters and tubes. 2 per pack. Sterile.