(Lot of 2) 3-Pack Marineland Rite-Size Cartridge C Bio-Wheel Penguin Power Filter. In NOS Condition (New Old Stock) Fits the Penguin Pro 275 & 375 Models. The bags do you have scuff marks, scrapes and scratches on them. Please look at all photos, for they are part of the description. Selling As Is and are being shipped USPS Priority Mail.