This part is the Waterway Plastics sand filter lateral. This lateral is the 'twist-n-lock' style lateral. This Waterway Plastics sand filter lateral does not 'thread' in.
Waterway Plastics Plastics Carefree 19" Sand Filter Tank with Multi-port Valve - NO PUMP
Features:
Large filter with extra sand-holding capacity holds 200 pounds of pool filter sand - we recommend...