A&L Furniture Co. Weather-Resistant Acrylic Cushions for Porch Rockers Pondmaster so replacing with Ultra Bio-Media

so replacing with Ultra Bio-Media should be done by total weight

Other photo shows typical setup (requires separate purchase of bulkheads and ball valves)

By removing these particulates

and includes the following components (left to right in the image) as well as instructions:

A&L Furniture Co. Weather-Resistant Acrylic Cushions for Porch Rockers Pondmaster so replacing with Ultra Bio-MediaMade in the USA by Amish craftsmen, these all weather outdoor rocking chair cushions are made of 100% acrylic outdoor fabric, filled with a 100% polyurethane foam insert. Perfect for any outdoor rocking chair or porch rocker. Available in a wide variety of fabric colors and patterns. Sized to fit A&L Furniture porch rockers Sundown Agora Fabric is very similar to Sunbrella Teflon with stain resistant treatment Good oil repellency 100% solution dyed