Model 

HW-DL2  2 Rows 

 Volume (ml)

100

250

500

1000

Power (w)

100 x 2

180 x2

250 x 2

300 x 2

Model 

HW-DL4    4 Rows

 Volume (ml)

100

250

500

10000

Power (w)

100 x 4

180 x4

250 x 4

300 x 4

Model 

HW-DL6   6rows

 Volume (ml)

100

250

500

10000

Power (w)

100 x 6

180 x6

250 x 6

300 x 6