609-MAS-01 Master Spa, Down East, Ft Wayne Spa Filter by Guardian Filtration Products.   This is a 40 sqft filter with a handle on top and 2 inch mpt fine threads on bottom.

Diameter    6"
Length    9-1/4"
Bottom Style    Male Pipe Thread (MPT)
Top Style    Handle
Bottom Dimension    2"
Spa Brands    Master Spas
Square Footage    40
Green color end cap

Replaces

    PMA40L-F2M (Pleatco)
    X268365 (Master Spa) PMA40LF2M
    FC-0317-M
    FC0317M
    FC-0317