Rusco Fs-1-100st Polyester Filter Element Replacements : Rusco 1cst Sediment Trapper equal Filter Cover Rusco 1b equal Filter Head Rusco 1-100st-f Sediment Trapper Filter System Rusco 1or equal O-ring Kit Rusco Ss1 .5 Sun Shield Is An nonmandatory Accessory To Block Sunlight From Coming Through The judge Cover. Rusco .5 fv successor drill rinse off Valve The Rusco Afv Automatic rinse off Valve Is An nonmandatory For Automating The Flushing Of The Rusco Filter System.