Manufacturer Promotion: Purchase 3 refills of Rally Composite Polishers and get the 4th Refill Free. Fax a copy of your invoice dated 1/1/24 - 31/3/24 to: Garrison Dental Solutions, Attn: Liz Kammers, 1-616-842-2430; or email a scanned copy of the invoice to ekammers@garrisondental.com with INCAQ124 in the subject line.