Purex Laundry detergent is on sale all month long at Kmart for $2.49. Use this new printable coupon and pay as little as $0.49 after double coupon!

Kmart doubles coupons after reaching a $25.00 minimum in grocery, health and beauty items before coupons. Kmart will double five manufacturer coupons up to $1.00. 

Purex Liquid Detergent, 50 oz $2.49, sale price through 7/8
Purex Ultra Packs, 18 ct $2.49, sale price through 7/8

Use $1.00/1 – Purex Liquid or UltraPacks Detergent – (coupons.com)
Final Price: $1.49, or $0.49 with double