Don't have a hog yet, but I recently asked if a 48x24x18 would be good for a male hog and the responses were a resounding 'yes'. I've also been told they utilize and enjoy the height so that's why I was going with the 18" high boaphile.
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Check Out My Albums
1.0 Ball Python "Aragorn"
1.0 Kenyan Sand Boa "Gimli"
1.0 Saharan Sand Boa "Frodo"
0.1 Rough-Scale Sand Boa "Arwen"
0.1 California Kingsnake "Gentoo"
1.0 Mexican Black Kingsnake "Indigo"
1.0 Snow Corn snake "Chile"
0.1 Australian Cattle Dog/Pointer
"Kira"