Installation instructions do NOT accompany this part! Your projector has two filters. This is the filter that is in the BACK of the projector just under the exhaust vents. This Panasonic Air Filter is for the the following Projectors: EB-980W, EB-990U, EB-2042, EB-2142W, EB-2247U If your Projector is NOT listed above, please send us a message so we may help you obtain the correct Air Filter.