Echo Mosquito Yardshield Attachment This is a new Echo Yard Shield designed for Echo handheld blowers. This attachment is designed for use Echo blowers including the PB-200, PB-230LN, PB-250, PB-251, PB-255, ES-210, ES-230, ES-250, ES-255 and an EB-212 Shindaiwa blower. This attachment can be used with various chemicals. The Echo liquid concentrate is NOT included with this item.