Improved, stronger, more durable, genuine Laguna Pressure-Flo Replacement Foams are high quality, super absorbent foams that are custom designed to fit inside the new Laguna Pressure-Flo Filters. Easy to install, they provide complete mechanical filtration, trapping dirt and debris.
5-pack is suitable for Pressure-Flo 14000/4000 (PT1718/PT1728)
Other sizes available :

Laguna Pressure-Flo Replacement Foams, 3-pack for Pressure-Flo 3000/1000 (PT1735)
Laguna Pressure-Flo Replacement Foams, 4-pack for Pressure-Flo 6000/2000 (PT1736)
Laguna Pressure-Flo Replacement Foams, 4-pack for Pressure-Flo 10000/3000 (PT1737),