Natural 35 window film | solar heat, glare & UV reduction | medium tintedAbout Natural 35 Window Film for inetrnal application If your room feels a bit too warm or a bit too bright but youre not ready to noticeably darken the space Natural 35 gives you that comfortable middle ground. As the mid range option in the Natural tint collection, it helps you reduce heat and glare while still keeping rooms bright and welcoming. Its the ideal balance between comfort and natural light. What youll notice Solar heat reduction reduces