Birchmeier spray hood for Flox 2.5-gal. (Item # 151246) and Iris 4-gal. (Item # 151247) backpack sprayers. Protect desirable plants by applying spray only inside the plastic hood. Remove your current spray nozzle and screw your brass wand directly to the spray hood to use. Spray hood includes a brass flat fan nozzle for efficient spraying. Bottom of hood measures 14-1/2"L x 5"W.