The other refresher Kit being sold elsewhere shorts you 1 cleaner and no Oring.
This is the best deal there is here and it is less money!
500-piece set
 
For cleaning 500 records with the VINYL CLEANER.
 
Set includes:
5 x cleaning concentrate,
1 x wet filter
, 1 set of microfiber cleaning rollers (4 pieces)
, 1 x set of scrapers (2 pieces),
1 x set of drive rings (2 pieces)