The ADE600-03 pre-filter foam is approximately 3-7/8"L x 1-1/4"D and is used with strainer AP6837. For use with Pond Care fountain pump item number 705B Rena Flow models RF160/600S-IL and many classic rena pumps including the discontinued Rena models 15/20/40 and 40-Turbo. The filter is made of coarse pore 20ppi (pores per inch) aquatic-grade foam. Alternate item number ADE600-03.
