LTWHOME Replacement Foam Filters Fit for Laguna PowerFlo Underwater Filter, PT-500, PT-505 (Pack of 6) This is not a Sienna

This is not a Sienna OEM product and is not covered under any Sienna manufacturer's warranty

They are just Activated Carbon impregnated foam

Custom designed and manufactured for EF-BOOSTER fish tank filter

Safely and Effectively Cleans all Hard-floor Surfaces

Fits Dyson DC23

LTWHOME Replacement Foam Filters Fit for Laguna PowerFlo Underwater Filter, PT-500, PT-505 (Pack of 6) This is not a SiennaPack 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.