It's a Farr Ecolite. The have an 11" diam X 24 and a 9.75 X 24. Cost is about $107 for the smaller and the larger is $115 here
Our 2002 DSDP with ISC takes the smaller, but I may change over to the larger due to the Banks kit. Seems like the smaller one is too restrictive now.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
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