As an Amazon Associate, we earn from qualifying purchases. OPTOMA PROAV OPTOMA FILTER FOR EH501/W501/ X501 OPTOMA PROAV . PM434-4550-00 Gallery Attributes Brand name, Manufacturer name, ManufacturerOPTOMA PROAV Extra Product NameOPTOMA PROAV OPTOMA FILTER FOR EH501/W501/ X501 Weight, moq, multiple, tierMinQty11 WeightUnitlbs MPNPM434-4550-00 qtyInStock0 SKU1V8987 tierPrice128.96 Distributor offers SellerSKUMOQIn stockMultiplePrices PCNation1V8987111 @ $28.96