The two-roll unit is 12

Bradley S65-192 O-Ring/Seal Kit Replacement Part

which is white on the top and bottom with black edges

"C" Dim: 1

Rubbermaid Side Gate Synthetic String Wet Mop Head, Blue - FGA15306BL00 Multifold And Singlefold Paper Towel Dispensers The two-roll unit is 12Rubbermaid Commercial Web Foot wet mop is a leader in launderable wet mops. The floor mop features antimicrobial product protection to inhibit the growth of bacteria that causes odors and stains. A balanced blend of cotton and synthetic fibers delivers up to 5 times the absorbency of cotton mops. Looped end, open twist yarn reduces linting. The tailband allows the mop to cover more floor area per stroke, saving time and money.