• Manufacturer: Hayward 

• Type: Replacement Washer 

• Specifications: 1/4" x 1 1/16" outside diameter
• 6 Pack

The Hayward ECX1077 replacement pool washer is a flat washer designed for the following Hayward filters and pumps: sand filter and Super II pump models S160T, S240, and SP3007X10AZ2; and Perflex D.E. filter models EC65, EC65A, EC75, EC75A, I_PFPPTS, and EC50C80X5S.