Pentair K12413 Vacuum Seal Kit, 18", for Kruiser | R230400 Residential Patio Heater A worn cartridge reduces flow

A worn cartridge reduces flow and increases filter pressure

When you have a truly grand outdoor space

this bellow is built with high-quality materials for long-lasting performance

this heat shield ensures your structure remains protected while your guests stay perfectly warm

helping prevent skimmer air issues

Pentair K12413 Vacuum Seal Kit, 18", for Kruiser | R230400 Residential Patio Heater A worn cartridge reduces flowWhat This Part Is Used For Pentair K12413 Vacuum Seal Kit 18in, Kruiser is a replacement vacuum seal kit for compatible Pentair Kruiser pool cleaners. It maintains proper suction and surface contact during cleaning cycles. Why This Part Matters A worn 18in seal can cause suction loss and poor cleaner movement. Replacing it restores vacuum efficiency and consistent debris removal. Proper sealing helps maintain stable cleaner performance. Key Features