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Microporous filter membrane 50mm 0.22 /0.45um micron MCE water-based hybrid fiber

100 pieces /box 300mm*0.22um 0.45um 0.8um Mixed fiber microporous filter membrane MCE mixed membrane water system

WEIAI Laboratory Sealing Film Waterproof Film Parafilm M Perfume Beakers Conical Flasks Graduated Cylinders 995 Parafilm Roll

1 piece of 18cm qualitative filter paper, round oil test paper, fast/medium/slow speed

Cobalt chloride test strips for rapid moisture measurement 100 sheets/box

Microporous membrane reverse osmosis water pollution index test special membrane 47mm0.45um 50 sheets

Pack PH test paper precision pH water quality soil cosmetic enzyme saliva urine human body ph pregnancy test

200 sheets/box microporous membrane filter membrane 13mm25mm water-based mixed fiber/organic nylon

Purified water suspension MCE water-based mixed fiber microporous filter membrane for sand core device

Cellulose acetate microporous filter membrane (CA) fiber membrane 47/50mm*0.22 0.45um 50 sheets

1 roll of sterilization indicator gel, indicator strip, enzyme label strip label

200 sheets/box Mixed fiber microporous filter membrane mixed membrane MCE water system 35mm*0.22um 0.45um 0.8um