Hot Tub Compatible With Watkins Spas Filter Was DIY31390 Now 79633

Keep your spa running efficiently with this replacement upgrade standpipe, designed for compatible with Hot Spring and fits Tiger River spa most models. Replaces obsolete part 31390 and ensures proper filtration for clean, clear water. Durable, reliable, and easy to install.

• You will receive one item – Filter Standpipe compatible with Watkins Spas (most models)
• Replacement for obsolete part: 31390
• Length: 9 ½ Inches
• Diameter (both ends): 1 ½ Inches
• Replacement upgrade standpipe for the Compatible with Hot Spring Classic (1984–1990)
• Compatible With Sovereign Spas Indoor/Outdoor Models.
• Compatible With Tiger River Spas 1992-1996 models 
• Compatible With Hot Spring Spas 1991 to current Models.