Rec Fit Individual Membership. Scholarship only. Enjoy all Corvallis Community Center (C3) fitness classes, plus lap swim privileges at Osborn Aquatic Center (OAC). If you purchase your membership online you will need to visit C3 or OAC to complete our membership agreement and receive your membership card. Please note that the monthly membership fee will be charged to your credit card on file each month. Memberships are non-refundable.