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Spa in a Box Hot Tub Filters
Spa in a Box Filters
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.

Square Feet
Outer Diameter
Length
3
2 3/4"
4 7/8"
Shopping Options
Top
Bottom
1 1/16" Inner Diameter
1 1/16" Inner Diameter
Same as:
Unicel - n/a
Filbur- n/a
Spa Filter
Spa Filter
Item# PH3
Top Load Filter