The 4 Litre Handheld Chemical Sprayer Tank is compatible with the M12™ Handheld Chemical Sprayer Powered Sprayer Head (sold separately). The Tank features an onboard measuring cup, strainer for debris filtration, and intake hose. Translucent tank walls allow users to easily sight liquid levels, while the metal tank latches and sturdy, square design provide durability. The Handheld Chemical Sprayer Tank is also available as a 7 Litre Tank (49162762) providing users the ability to choose the right size the tank for the application at hand, and premix multiple tanks to maximise productivity.