Swimquip Filter Grid Element Center Port - 18 x 20-3/4 Inches state_Maryland Hammerhead's patented head design and

Hammerhead's patented head design and pressurized 30 pound thrust motor pump is an amazing 16

This item is comparable to Pentair 542002

The replacement pump head includes tube

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Swimquip Filter Grid Element Center Port - 18 x 20-3/4 Inches state_Maryland Hammerhead's patented head design andThis is a Swimquip compatible filter element grid with center port measuring 18 x 20 3 4 inches. The thickness of the grid is . 875 inches. Universal Filter Grids for Diatomaceous Earth filters feature a reinforced center core for added durability and chemical resistance, and sonic welded seams to prevent fraying. Their proprietary D. E. grid cloth outlasts all others. They have superior strength fabric and heavy nylon stiches. TIP: Place filter