Enhanced Airflow for Greater Cooling Power: HydroTek’s innovative design improves airflow and velocity, increasing cooling efficiency. Maximize your evaporative cooler’s performance with HydroTek media for superior cooling results. Expanded Surface Area for Optimal Cooling: HydroTek’s proprietary design increases media surface area, maximizing water evaporation and boosting cooling performance. Achieve unmatched efficiency and maintain optimal temperatures with HydroTek media. Superior Materials for Enhanced Cooling: HydroTek media is built with reinforced cellulose fibers and specialty resins, delivering exceptional cooling and absorption. HydroTek evaporative media’s design reduces debris accumulation, preventing clogging and ensuring optimal performance. Durable Edge-Coat for Lasting Performance: Experience enhanced durability with HydroTek evaporative media’s edge-coat technology, which guards against UV damage for reliable, low-maintenance performance in tough environments. Replacement evaporative media set for Portacool Jetstream 220 - includes set of two (2) pieces of media (D6"xW12"xH19")