Pharma-Wipe Plus All Purpose Wipes Non-Sterile, Low Endotoxin ISO Class 5 (3,600/Case)Pharma Wipe Plus All Purpose Wipes Non Sterile, Low Endotoxin ISO Class 5. Pharma Wipe Plus wipers are a low endotoxin, ISO Class 5, non sterile, non woven, 45% polyester 55% cellulose blended wiper. The combination of polyester and cellulose provides excellent durability, absorption and cleanliness. Our non shedding, low particulate wiper, all purpose wiper can be used throughout your cleanroom for cleaning, disinfecting, spill control and wipe down