Pentair Spa/Pool Replacement Filter Cartridge (R172327) relayscontactors This OEM gray eyeball inlet

This OEM gray eyeball inlet is a practical replacement for compatible gunite return systems that need dependable directional water return control

Supports a more complete and confident repair

or feels too worn to trust in continued service

K450-specific design gives this part practical value because topside mounting accessories work best when they match the intended panel family rather than relying on universal fit assumptions

This type of part is especially useful when service work is being performed on heaters or related systems that depend on accurate flow confirmation for protection and control

Pentair Spa/Pool Replacement Filter Cartridge (R172327) relayscontactors This OEM gray eyeball inletPentair Spa Pool Replacement Filter Cartridge (R172327) is a replacement spa or pool filter cartridge from Pentair Pool Products designed to help restore clean water flow through compatible filtration systems. It is suited for maintenance replacements where the cartridge model, cross reference number, length, diameter, end cap style, and core design need to match the existing filter. Use part number R172327 when matching this item to an existing