filters-oil & air

i'm going to change my oil before i put her away for the winter and i'd like to get an original oil filter. the one i have now is blue and has japanees writing on it.( also english) how much are they and where can i get one?( in canada) if the cost is too much i'll settle for any after market oil filter.same with the air filter, where and how much? right now on ebay i see one for $2.85 + shipping. thankyou very much in advance.