The Laguna PT1507 is the correct replacement filter for the following:
The Pressure-Flo Replacement Foam for PT1506 - 5 pack is a complete replacement foam kit for the Laguna Pressure-Flo 3200 and 1200. This kit includes 5 replacement foam filters that help provide complete mechanical filtration. These Laguna foam filters feature super porous material that keeps pond water clear and fresh by capturing debris. Installing and maintaining these water pump foam filters is easy.
Pressure-Flo Replacement Foam for PT1506 - 5 pack specifications: