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SKB iSeries 3U Fly Rack, Waterproof Polypropylene Hard Case for Storage, 20 Inch - 422021

SKB iSeries 3U Fly Rack, Waterproof Polypropylene Hard Case for Storage, 20 Inch - 422021

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SKB iSeries 3U Fly Rack, Waterproof Polypropylene Hard Case for Storage, 20 Inch - 422021

Introducing the SKB iSeries 3U Fly Rack Case, a go-to option for touring professionals who require secure and rugged protection for their equipment. Engineered for audio, DJ, and rackmount equipment, this case combines durability, mobility, and military-grade protection in one streamlined design. With a 3U shock-mounted rack system and 20-inch depth, it offers ample space for your essential rack gear, wireless transmitters, or studio accessories.

Built from polypropylene copolymer, the hard shell is designed to resist impacts, water, dust, and extreme conditions. The injection-molded shock rack includes foam padding, giving your gear double-layer protection on the road or in the studio. Whether you're flying across the country or loading up for a local gig, this case is made to perform.

Travel-ready features include ultra-wide carry handles, and trigger-release latches that make transport easy without compromising security. The gasket-sealed lid and automatic ambient pressure equalization valve ensure your gear remains safe even during rapid altitude or climate changes.

Used by musicians, audio/visual technicians and mobile DJs, the SKB iSeries Fly Rack is more than a case, it's a high-performance gear vault designed for real-world use. From studio racks to live rigs, it delivers unmatched protection wherever your music or media takes you.

Features                    
  • Ultra-rugged hard case designed for safe transport of rack gear and wireless transmitters
  • Made from durable polypropylene copolymer resin for long-lasting protection
  • 3U removable injection-molded shock rack with 20-inch depth keeps gear secure
  • Watertight gasket seal and pressure valve safeguard against water and dust
  • Interior foam padding adds an extra layer of shock absorption during travel
  • Features trigger-release latches to ensure easy access and secure closure
  • Ideal for touring musicians, AV crews, and professionals on the move
  • Material: Plastic
  • Color: Black
  • Dimensions (L x W x H): 26.5 x 26.56 x 11.65 inches
  • Weight: 33.67 pounds
What our Experts Think
  • Extended rack depth performance: The SKB iSeries 3U Fly Rack (20" depth) is engineered for full-size rack equipment, offering extra internal space for wireless systems, audio processors, and mission-critical AV gear.
  • Military-grade shell protection: Built from ultra high-strength polypropylene copolymer resin, delivering serious impact resistance plus long-term durability in harsh transport environments.
  • Fully waterproof & dustproof sealing: Gasket-sealed, submersible-rated construction (MIL-C-4150J) ensures complete protection against rain, dust, and moisture ingress.
  • Shock-mounted rack system: Removable injection-molded 3U rack frame helps isolate equipment from vibration and impact during travel.
  • Tour-ready mobility: Integrated wheels, reinforced handles, and rugged latch system make it practical for frequent loading, unloading, and field deployment.
  • Flight-safe engineering: Built-in pressure equalization valve maintains internal stability during altitude and temperature changes for safer air transport.
  • Expert verdict: A premium heavy-duty fly rack designed for professionals who need maximum protection, deeper 20-inch rack compatibility, and true waterproof reliability for demanding touring or field use.
                  
Q&A      

Q: What is the SKB iSeries 3U Fly Rack Waterproof Polypropylene Hard Case (20", 422021) used for?
A: It is a rugged, waterproof 3U fly rack case designed to protect and transport shallow rackmount equipment such as audio processors, wireless systems, and compact AV/IT gear.

Q: How durable is this fly rack case?
A: It uses a MIL-STD-rated polypropylene shell that is waterproof, dustproof, and impact-resistant, built for touring, live production, and air travel environments.

Q: What does the “20 inch” depth mean?
A: The 20-inch form factor refers to the overall case depth, providing extra internal space for mounting rack gear and managing cabling compared to shallow rack versions.

Q: Is it suitable for travel and flights?
A: Yes. It includes gasket sealing, a pressure equalization valve, and secure latch system designed to protect gear during airline handling and altitude changes.

Q: Does it support mobility and transport?
A: Yes. It typically includes built-in wheels and reinforced handles for easy rolling even when fully loaded.

Q: What makes it good for professional use?
A: The shock-mounted rack system and foam/isolated interior design help reduce vibration and impact, keeping sensitive electronics secure during transport.

            
Maintenance Tips
  • Wipe exterior polypropylene shell regularly with a damp cloth to remove dust, dirt, and travel residue
  • Keep rack rails clean and aligned for secure and stable 3U equipment installation
  • Inspect latches, hinges, and handles periodically for smooth operation and reliable locking
  • Clean rubber gasket seal to maintain waterproof and dust-tight protection
  • Store in a cool, dry place away from direct sunlight and extreme heat exposure
  • Check pressure equalization valve regularly to ensure proper airflow during pressure changes
  • Avoid exceeding 3U load capacity to prevent strain on rails and internal structure
  • Secure all mounted equipment tightly and verify before transport to prevent vibration or impact damage