Dell monitor $20 off coupon
The S2009W seems to have already sold out. Before you apply the coupon, the S2209 is priced at $139, the S2309W goes for $159. The first two digits of each monitor product id refer to the screen size, in inches.
The coupon is good for 500 uses. It expires Nov. 18 and is valid online only. Browse all their refurbished monitors.
Caveats: cannot be combined with other coupons. Limit two monitors per redemption.