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Horizon is now utilizing the AS568A O-Ring standard used by the O-Ring industry in order to bring a standardized approach to the pool and spa industry. The current active Horizon part number for an o-ring is 90-423-5xxx, where xxx represents the AS568A designation. This designation ranges from -001 thru -932, in order of smallest to largest first by cross section then by diameter. Please see substitute item number under “Quick info” for the current SKU for this item.
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Horizon offers you a 90 day window from the date of your invoice to return purchases for any reason with no restocking fee! And, we honor the manufacturer’s warranty from the date of your invoice, not from the date of manufacture! For more details, click one of the following: Return Policy, Warranty Policy.
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