Olympic WaterGuard 1 gal. Clear Exterior Wood Sealer 55260XIA-01 - The Home Depot
Wolman 1 gal. Raincoat Clear Oil-Based Water Repellent Exterior Wood Sealer (4-Pack) 12386 - The Home Depot
Ready Seal Pre-tinted Natural Cedar Semi-transparent Exterior Wood Stain and Sealer (5-Gallons size Container) in the Exterior Stains department at Lowes.com
Seal Once Seal-Once Marine 1 gal. Clear Premium Wood Sealer and Stain for Exterior Use SO7614 - The Home Depot