Pet Treater Coupon: Free Dog Bed With Subscription! Last updated by Hello Subscription on October 7, 2017. Subscription Box Coupons & Deals / Pet Treater Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification For a limited time new Pet Treater subscribers can use code FALLBED at checkout to a free dog bed with your first box! Valid only through 10/8. See our reviews of this dog subscription box to find out more about Pet Treater!