4Explanationof MarksFebruary, 2026(2026.2)Water/Oil RepellencyThe water/oil repellent mechanical filter is suitable in environments with splashing water and oil mist, where it is able to maintain easy breathing with little change in inhalation resistance.Press with both handsNegative Pressure MethodFit CheckerSee P.7Non-treated filter(Oil soaks into filter.)Oil-repellent- treated filter(Filter repels oil.)Compatible Mask■ Comparison of Water Repellent Capability■ Comparison of Oil Repellent CapabilityFit Checker OFFThe mechanical filters with this mark can be washed with water.ACF can remove nuisance odors accompaning welding work.TW01C, TW01SCTW01SFC, TW11CPull with both handsThese marks appear in Japanese.Fit Checker ONUsing a Built-In Fit Checker (Negative Pressure Method)Washable Filter is EconomicalMechanical Filter with Activated Carbon Fiber (ACF)negative pressure method. See P.18STEP 1Turn the Fit Checker ON.Remove both hands from the Fit Checker, inhale gently, then check that the respirator collapses slightly, and no air leaks between the face and the respirator are detected.STEP 2STEP 3Turn the Fit Checker OFF.method.STEP 1If using a fit checker, attach it before putting on the filter.Pinch the protruding tube of the fit checker.Make sure no air is leaking between your face and the respirator when you inhale gently. (The respirator fits tightly to your face.)STEP 2 respirators allow you to use your palm to check the Filters for seal by the negative pressure method without using a fit checker.(Make sure not to press a respirator tight against your face.)Non-treated filter(Water soaks into filter.)ReuseFit CheckerBuilt-inUsing a Fit Checker (Negative Pressure Method)• You can use a fit checker to check fit by the negative pressure Water-repellent- treated filter(Filter repels water.)Five-Digit No. : Product Code ★ : Made-to-Order• You can use a built-in fit checker to easily check the seal by the WingFit CheckFeatures of Particle Filters
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