Algae Clean Scrubber Hang on Sump ACS-5-S-G5 with NEW Algae Flex Screen.
Algae Clean Scrubber ACS-5-S-G5 (Hang on Sump). ALGAE CLEAN SCRUBBER. Has both Nylon algae screen and NEW AFS-5 Algae Flex Screen More durable, strong, flexible, easy to harvest algae, Yet leaves enough algae to start again.