Check the listing for details. New Genuine Stihl Pressure Sprayer Nozzle Set 4790-007-1000 RB400 Dirt Boss OEM. Condition: New, Made in United States. Listed at 25.00 USD. The New Genuine Stihl Pressure Sprayer Nozzle Set 4790-007-1000 RB400 Dirt Boss OEM is a high-quality accessory designed specifically for use with STIHL pressure sprayers. This nozzle set includes one piece, with a model number of RB400 and is made in the United States. It is perfect for outdoor power equipment and is ideal for maintaining a clean and tidy yard, garden, or outdoor living space. With the Stihl brand reputation for durability and performance, this nozzle set is a reliable choice for any gardening or lawn care needs.The New Genuine Stihl Pressure Sprayer Nozzle Set 4790-007-1000 RB400 Dirt Boss OEM is a high-quality accessory designed specifically for use with STIHL pressure sprayers. This nozzle set includes one piece, with a model number of RB400 and is made in the United States. It is perfect for outdoor power equipment and is ideal for maintaining a clean and tidy yard, garden, or outdoor living space. With the Stihl brand reputation for durability and performance, this nozzle set is a reliable choice for any gardening or lawn care needs.