$300 each for 4 pieces of Part Number 45480: 26" Diameter by 36" Length. Channel width is 1.625". Accepts a 2" x 4" or steel or aluminum channels. Molded in bolt holes for easy attachment. Lip on outside of pontoon for added stability.
NET Buoyancy 314 LBS at 50% submersion. Weight 59 LBS
$250 each for 2 pieces of Part Number: 45500: 26" Diameter by 36" Length.
NET Buoyancy 150 LBS at 50% submersion. Weight 36 LBS
$1500 for all, including galvanized bolts, washers, and nuts for mounting.