Fleck 5600BWSXT (BW filter) New. Genuine Pentair Fleck product. Default/Common: The Fleck 5600 SXT is frequently sold and recognized as a downflow unit. Bypass connection: The 5600 SXT valve head can be used with the existing Fleck 2510, 5600, or 9000 yoke or bypass connection, as long as it is the correct size (e.g., 3/4" or 1").
eBay