Spec-Wipes Spec-Wipe 3 Wipers Pack. Combining top-notch and uncompromising quality with an affordable price the Spec-Wipes Spec-Wipe 3 Wipers 21912-042/ 21912-042 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Spec-Wipes Model 3 breathable wipers are made of 3mil FDA-grade silicone impregnated muslin fabric. These all-purpose wipers are excellent for wiping a variety of surfaces throughout the laboratory. Manufactured in compliance with FDA regulations and guidelines Spec-Wipes model 3 breathable wipers are ideal for use throughout the laboratory. Wipers are made of 3mil FDA-grade silicone impregnation and are ambidextrous. Nonadherent wipers allow the user to achieve a preferred level of cleanliness in the lab by selectively absorbing foreign particles and moisture. Wipers can also be used for personal protection as an antiseptic hand wiper and for the cleaning of lenses and other fragile optical surfaces. The use of wipers other than the Spec-Wipe 3 multi-use variety (e.g. OTW IATA LPA or DSEE) in the manufacturing of lab gloves optical screens and respirators is not FDA-contracted. Specifications for Spec-Wipes Spec-Wipe 3 Wipers 21912-042 : Dimensions cm (in.): 30.5 x 30.5 (12 x 12) Unit: Pack of 150 Biaxial Shake (IES test method): =100 m):