Buna-N O-Ring Kit, 90A Durometer, 30 Sizes (Pack of 382) Product Features Product Description This O-Ring set is made of Black Buna-N, has a durometer of 90A, and includes 382 pieces covering 30 dash sizes.
Please contact us for additional information through ebay mail, or directly at: nrscientific@gmail.com or by phone: (201) 592-1864. Cannon Instruments M1 Constant Temperature Bath
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