Lever action type
Drum sizes: 5 ~ 55 gallons
350c.c. per rotation
Telescopic tube
*4L-490P PP Housing
*4L-490PS PP Housing, S.S. Rod
*4L-490RS Ryton Housing, S.S. Rod
*4L-490RST Ryton Housing, S.S. Rod, Teflon Piston
*4L-490T Teflon Housing, S.S. Rod, Teflon Piston
