The ornamental design for a poolfilterholder, as shown and described.
FIG. 1 is a top perspective view of the pool filter holder.
FIG. 2 is a bottom perspective view of the pool filter holder of FIG. 1.
FIG. 3 is a bottom perspective view of the pool filter holder of FIG. 1 with the cap removed.
FIG. 4 is a first side elevational view of the pool filter holder of FIG. 1.
FIG. 5 is a second side elevational view of the pool filter holder of FIG. 1 orthogonal to the first side view.
FIG. 6 is the first side elevational view of the pool filter holder of FIG. 1 with the cap removed.
FIG. 7 is a top plan view of the pool filter holder of FIG. 1; and,
FIG. 8 is a bottom plan view of the pool filter holder of FIG. 1.
The drawings are shown with a symbolic break in length. The appearance of any portion of the article between the break lines forms no part of the claimed design. The evenly-dashed-straight broken lines are included for the purposes of illustrating portions of the article that form no part of the claimed design. The dashed break lines define the bounds of the claimed design and form no part thereof.