HSR 10PCS/1Set Household/Office Glass Cleaning Detergent Effervescent Tablets Washer Compact Concentrated Tools  (10 x 1)

Turns regular water into powerful cleaning fluid, one tablet in 4L water will equal to 4L windshield washer. More conveniently and easily to use than traditional windscreen cleaner. Dissolve thoroughly, no residual and apply for all metal, rubber, plastic and painted surfaces. Environmental friendly, biodegradable, phosphate and fragrance free formula.