Coghlans 4d Air Pump 0. Requires 4 D cell batteries (not included). High air volume/low pressure inflation and deflation port with three adapters. Not for use with stem or needle valves. Specifications for Coghlans 4d Air Pump: Manufacturer: Coghlans Application: Camping Additional Features: Camping Gear Accessories Package Contents: Coghlans 4d Air Pump The Coghlans 4d Air Pump is a quality addition to the Coghlans lineup. For more great deals on Air Compressors & Pumps by Coghlans please browse our Coghlans Camp & Hike page.