Heartgard Special:
$15.00 mail in rebate when you purchase 12 months of Heartgard

Nexgard Special:
$15.00 mail in rebate when you purchase a 6 pack of Nexgard
$35.00 mail in rebate when you purchase two 6 packs of Nexgard

Combo Specials:
Buy a Nexgard 6 pack & a Heartgard 6 Pack: get a $25.00 rebate
Buy a Nexgard 6 pack & a Heartgard 12 Pack: get a $35.00 rebate
Buy two Nexgard 6 packs & a Heartgard 12 Pack: get a $60.00 rebate