Trigger Systems Replacement Filter Roll For Platinum 20C & 26 Sumps - 8"Trigger Systems Replacement Filter Roll Replacement Fleece Rolls for Trigger Systems Platinum Sumps. Trigger's Fleece is a direct replacement to what was included with your Platinum Sump. On average reefers are finding that the fleece will last between 2 and 6 months depending on the bio load, feeding habits, and other filtration components within the aquarium.