Mag-Float Large Replacement Scrapers (2 Pack) Lionfish however its dorsal fin is

however its dorsal fin is a distinctive bright yellow

Height: 20 - 30+ cm

while the acrylic external chamber incorporates a recessed cover and 1-inch bulkhead connection

Can be used for rinsing newly fragmented corals

Mag-Float Large Replacement Scrapers (2 Pack) Lionfish however its dorsal fin isMag Float Large Replacement Scrapers (2 Pack) Replacement Scrapers for Large Mag Float Cleaners The Mag Float Large Replacement Scrapers replace worn blades on compatible Mag Float Large and Large Plus glass aquarium cleaners. The scraper attachment helps remove stubborn algae and deposits that are difficult to clean with the standard pad alone. Large Mag Float Compatibility Notes Designed for compatible Mag Float Large and Large Plus glass cleaners