Cut-off freq is for HF transmitters 

Clean up that TX signal and prevent TVI

PRICE: $72.95

CF-30S LOW PASS FILTER

Cut-off Frequency	32MHz
Maximum Power	150W
Impedance	50Ω
Insertion Loss	Less than 0.4dB
VSWR	Less than 1.2
Attenuation	More than 60dB @ 45-250MHz
Connector	SO239 for PL259 plugs
Dimensions	140 (W) x 56 (D) x 33 (H) mm

Cut-off freq is for HF transmitters with 6 metres also.

Clean up that TX signal and prevent TVI 

PRICE: $72.95

CF-50S LOW PASS FILTER

Cut-off Frequency	57MHz
Maximum Power	150W
Impedance	50Ω
Insertion Loss	Less than 0.4dB
VSWR	Less than 1.2
Attenuation	More than 60dB @ 75-250MHz
Connector	SO239 for PL259 plugs
Dimensions	140 (W) x 56 (D) x 33 (H) mm

Cut-off freq is for HF transmitters, 

High power unit for use with linear amp power

Clean up that TX signal and prevent TVI

PRICE: $134.95

CF-30MR LOW PASS FILTER

Band Pass Frequency	-30MHz
Maximum Power	500W CW, 1Kw PEP
Impedance	50Ω
VSWR	Less than 1.2
Connector	SO239 for PL259 plugs
Dimensions	250 (W) x 66 (D) x 64 (H) mm
Weight	800g