What kind/size/type of pads fit the SB Bassalope?

hey , i have a SB/pad response bassalope comming in a trade this week, and i want to order some extra pads for it. Does anyone know what type/size of pads they take? Ie: .555 , Dif-Pads, Etc. and what brand of pad will last the longest and be the least responsive/snaggy. thanks!