Oase BioSmart 1600, 5000 & 10000 Replacement Parts Part:Red Blue Foam Holder BioSmart 1600 25S 1 3 115 4 LA7475 DappleGrey BlackPebbles 25S 1 3 115 4 Check valve assemblies connect the pump to the plumbing and keep plumbing line full of water even when the pump is off The following replacement parts are available for Oase BioSmart 1600 10000 40972 706759409728 Red Filter Foam X 40974 706759409742 X X 40973 706759409735 Blue Filter Foam X 40975 706759409759 X X 40976 706759409766 Green Filter Foam X X 40772 706759407724 Transformer X 40964 706759409643 9 Watt UV Bulb X 13312 706759133128 Quartz Sleeve X 15535 706759155359 UV Connection Kit X 25727 70675925727 Filter Box X 26075 706759260756 X 26077 706759260770 X 29404 706759294041 Lid X 26079 706759260794 X X 26209 706759262095 Drain Valve Seal X X 26970 706759269704 Thermometer X X 27846 706759278461 Inside Cover Gasket X X 34899 706759348997 Red Blue Filter Foam Holder X 35047 706759350471 X X 35082 706759350822 Green Filter Foam Holder X X 35085 706759350853 Drain Valve X X 35086 706759350860 Lid Clamp X X 35089 706759350891 Drain Valve Guide X X 35103 706759351034 Drain Valve Seal Stabilizer X X 35204 706759352040 Connection Kit X 35290 706759352903 X X 35215 706759352154 Outlet Adapter X X