They had exactly what I needed and made it easy too find. Package arrived on time and in excellent shape.
Pad retainer - back - for: cph2500 & wc/
Pad retainer - back - for: cph2500 & wc/wm/wcm28 (sold individually)
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.