We started using it on our grouted tile floor that had 20 years of build up. It has cleaned up the grout beyond our expectations using just regular floor cleaner
RFID Reader, 3.0..(RS26L+,RS32L+,iS1100L+,i24BTL+i28BTL+)..Starting at serial numbers..i20NBTL+60302100459..RS26L+60306100313..RS32L+60307100243..i28BTL+60304100165..i24BTL+60303100233..iS1100L+60153100126
This part is listed as fitting the following models: