5"

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  • O-Rings, 5" Standard (25 pack) | #80-4651

    $45.00

    O-Rings, 5" Standard (25 pack) | #80-4651

    $45.00

    5" O-rings for 20 L vessels.

    These O-Rings have been sulfur cured, which can create false positives on pesticide testing that uses sulfur content to evaluate concentration.

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  • O-Rings, 5", Peroxide Cured (25 Pack) | #80-0222

    $103.00

    O-Rings, 5", Peroxide Cured (25 Pack) | #80-0222

    $103.00

    5" peroxide cured O-rings for 20 L vessels.

    Peroxide cured O-rings will not provide any false positives on pesticide testing that uses sulfur content to evaluate concentration.
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