LTWHOME Replacement Foam Filters Fit for Laguna PowerFlo Underwater Filter, PT-500, PT-505 (Pack of 6) Pack include: 6 pcs microfiber

Pack include: 6 pcs microfiber pads

They are just Activated Carbon impregnated foam

Safely and Effectively Cleans all Hard-floor Surfaces

Designed to fit Bissell SpinWave Hard Floor Powered Spin Mop Cleaner Model: 2124

Size: About 4" x 2-3/8" x 1"

LTWHOME Replacement Foam Filters Fit for Laguna PowerFlo Underwater Filter, PT-500, PT-505 (Pack of 6) Pack include: 6 pcs microfiberPack include: 6pcs. Size: 275 x 130 x 65mm. This foam filter is custom designed and manufactured for Laguna Powerful Mechanical (PT 500) and Biological (PT 505) Underwater Filters. Captures dirt and debris as water flows through it, provides efficient water flow with less clogging.