Arm & Hammer laundry detergent is buy one get one free at Walgreens! Buy four and use a $0.75/2 printable coupon. Get each detergent for just $3.21.

Note: Only one coupon can be used because Walgreens coupon policy does not allow coupons to be used on free items. Click here for more Walgreens coupon policies.

Buy One Get One Free through 7/30

Use one $0.75/2Arm & Hammer Liquid Laundry Detergents (coupons.com)

Final Price: $3.21 each, when you buy 4

Purex Crystals, Only $2.00!