3M 1780 Plus Overhead Projector

For the best deal on the 3M 1780 Plus Overhead Projector, you'll want to compare prices before you buy. Our list of stores carrying the M1780 (located below) tracks merchants who often have bargain prices and great sales. At StreetPrices, we want you to have the most accurate information possible. That's why we update our prices as soon as we notice a change — other comparison shopping sites update only once or twice a day.