This HP P22h G4 21.5-Inch LED HD Monitor originally $135 dropped to $121.99 and then again to $101.99 at Staples. You save 24% off the retail price for this LED monitor when you use the promo code 18174 at checkout. Plus, this item ships free. This is the lowest price we could find online by more than $20. The HP P22h LED HD Monitor features a 21.5″ screen, 1080p resolution, TFT display technology, 178-degree viewing angles, and 16:9 aspect ratio. Sales tax is charged in most states. Deal may expire soon.