Intex product user manual Challenger K1 Kayak, (68305NP, season 2026) Manual Installation and Setup Maintenance and Service Operation and Usage Troubleshooting User manual, in which you will find all important information on using your Intex product. (Challenger K1 Kayak, 68305NP, season 2026) Downloads User manual for 68305NP EN 2024 pdf, 1.7 Mb