Marpac Marine Products - Fuel water filter

[Grim Reefer 750]

Hi all,
Has anyone tried the Marpac Marine products, any feedback on the below would be appreciated.
MARPAC/RACOR FUEL/ WATER SEPARATOR FILTER STAINLESS STEEL 10 MICRON 7-0842 87100

Cheers Don

[Grim Reefer 750]

There is also composite / aluminium and Nichromium filter heads, What sort of metal is that???
MARPAC/RACOR FUEL/ WATER SEPARATOR FILTER NICHRONIUM HEAD 10 MICRON 7-6879 NEW #230861134060

[Spiderpig]

I'm using the racor filters on my twins and I'm quite happy with them.