Features:* Air Filter & Spark Plug Replacement Plug for Toro 491588 491588s RJ19LM* 100% Brand New & High Quality * Made of High Quality Material, Durable and Practical to Use * Delicate and Exquisite, Very Fit With Original Equipment * Sturdy & Durable, Long Life * Easy to Install & Reliable to UseSpecifications:*Air Filter:Width: 4 1/2"Length: 5 1/4"Height: 3/4" OEM Style Blue Foam Gasket*Spark PlugReplaces Part Number:Air Filter: Replaces 399959, 491588Spark Plug: Replaces Champion: J19LMFegging Content:1*Air Filter1*Spark PlugNote:1.The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.