Northern Tool offers the Ironton Tow-Behind Trailer Broadcast and Spot Sprayer for $139.99. Coupon code "257137" cuts it to $119.99. Opt for in-store pickup to avoid the $30.49 shipping fee. That's $60 off and the lowest price we could find. It features a 13-gallon pump and a stream with a 12-foot vertical and 20-foot horizontal maximum spray distance.