Air filter for NEC projector LT280, LT375, LT380 LT380G, VT470, VT670, VT670K, VT675, VT676, VT676E, VT676G</br>THE SIZE IS AROUND 10CM x 10CM (3.9INCHES x 3.9INCHES).</br>THIS IS GENERAL AIR FILER.</br>NEEDS TO CUT THE SIZE AND FIT INTO YOUR PROJECTOR AIR FILTER FRAME</br><br/>http://www.amazon.com/gp/product/B01C90C4S4