MY REEF CREATIONS - INJECTOR ASSEMBLY My Reef Creations Sale! from 16799 /per Size My Reef Creations Large Injector for MR-3 My Reef Creations XL Injector for MR-4 and Larger My Reef Creations Recirculating Injector Assembly Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. My Reef Creations Injector Assemblies are avialable for the following models: MR-1, MR-2, MR-3, MR-4 and Recirculation models. Includes injector housing, venturi, silencer and beckett style injector.