KoblenzFloor Scrubbing Brushes, Compatible with 12-inch Floor Polisher, Scrub Brushes with Tampico and Cocoa Bristles, 2-Pack, Standard, Beige/White, 9" L x 6" W x 2" H, 45-0134-2

The Kobenz scrubber works great. It doesn't do a perfect job on recessed grout, but I mostly use it on my dog porch. It takes only 3 passes to remove months of tracked in mud on this 240 sq ft room, leaving the tile looking new. It takes a couple hours to properly clean that room, so it's important to have a good scrubber.It is light weight, about the same as one of the upright aluminum vacuums. That is important because it has no wheels. Use is easy, even for an old dude like me. Just a little pressure in each direction causes it to sweep back and forth.I do not use the on board fluid tank. It doesn't hold enough solution for my needs and I'm told they leak on some people's units. I didn't have that problem, but only used it 4 times. (I am on to my second set of brushes.)

Very very Durable brushes that can take a beating and still last. Great circular brushes, they last and are a perfect fit... for my old Regina pink scrubber.

but these fit my antique machine perfectly!

These replacement brushes are smaller in diameter than the originals sold with my Kenmore floor conditioner model 100.70920 manufactured by Koblenz in the 1970s. However the spindle hubs are exactly the same. The spacing in between will leave about a 2" opening in non-coverage area and about the same space around the outer edge inside the motor body.When you need replacements, you take what will you can get.It seems to follow the trend with many products currently manufactured. Same price, reduce the size, or raise the price and reduce the size too.I suppose both the Koblenz P-2600 and P-4000 are also physically smaller than the older machine I have.

Like others who have viewed I had a 25-year-old sears scrubber, which I would've hated to throw away. This saved the day.I am actually using it to scrub my artificial turf and it does a beautiful job of cleaning and restoring loft. Thanks!!

The wheel / gear hubs are in no way compatible. They will NOT FIT.Proper product is the: Koblenz 6 Inch Scrub Brushes with Koblenz 6 Inch Scrub Brushes with 8 Notch Hub 4502332.

nice and stiff brushes. Work and fit great.good quality

This product was suggested by Amazon when we bought the Boss Cleaning Equipment B200752 Scrubber. However, they cannot be attached to the Boss scrubber. Had to return them. Don't trust the amazon recommendations!