PORSELF TM Self - Sealing Filter Tip is breathable in dry state but when wet by water , the pores are closed and become less breathable and waterproof. “ Self-sealing ” Porous Plastic Filter - PORSELF ™ media in this invention are defined as...
This Graduated ESR Pipette is made of medical grade polystyrene, graduation up to 200 mm with self sealing air filter which prevent the over flow of blood. Simple, risk free, accurate and avoiding contamination. This pipette to suit all brand of...
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