Pondmaster Submersible 9-Watt UV Clarifier is a Pondmaster-branded product in the ownkoi catalog. Submersible-format 9-watt UV clarifier from Pondmaster. Designed to be installed inside the pond rather than inline with external plumbing. Specifications and pricing reflect the manufacturer-published or retailer-published data at the most recent catalog refresh. Verify the live listing on the source retailer page before purchase.