Spare O-ring & Grease Kit for Canon WP-DC9 DC3 DC4 DC7 Diving Underwater Case

1 x Generic O-ring (compatible with Canon WP-DC3, WP-DC4, WP-DC7, and WP-DC9 Underwater Housings). The underwater housing shown in the photos is not included. To ensure optimal performance, apply a thin layer of grease to the O-ring before your dive and after completing it.

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