This part works with the following models:
Echo MS-20H Sprayer - 2 Gallon Handheld Sprayer
Echo MS-21H Sprayer - Sprayer
Echo MS-30H Sprayer - 3 Gallon Handheld Sprayer
Echo MS-31H Sprayer - Sprayer
Echo MS-40BD Sprayer - 4 Gallon Backpack Manual Sprayer
Echo MS-40BP Sprayer - 4 Gallon Backpack Manual Sprayer
Echo MS-41BP Sprayer - Sprayer
Echo MS-41BPD Sprayer - Sprayer
Shindaiwa SP21H Sprayer - Sprayer (Sp)
Shindaiwa SP30BPE Sprayer - Sprayer
Shindaiwa SP40BPS Sprayer - Sprayer
Shindaiwa SP41BPS Sprayer - Sprayer (Sp)
Shindaiwa SP45BPE Sprayer - Sprayer
Shindaiwa SP53BPE Sprayer - Sprayer (Sp)
