HIGH LIGHT TRANSMITTANCE - Change the color of your light by easily changing out this lens. These lenses are plexiglass with high light transimttance - select from a range of color options depending on your preference! SELECT FOR YOUR APPLICATION: Available in a number of sizes depending on your spotlight, flashlight or floodlight fixture you have. CURRENT SELECTION: The lens you have selected is applicable for PAR 30 bulbs - this lens measures 3.9" in diameter. Please contact us if you have any questions before placing an order as a restock fee will be applied to returns. ADJUST YOUR LIGHTING - These colored lenses create atmospheric effect for whatever use you need. Also known as WAC Lenses, these can be used for track lighting indoor or outdoor. Great lighting for courtyards, gardens, living areas and much more. LEADERS IN LIGHTING & PLASTIC SOLUTIONS: KastLite is a leading brand in Lighting Fixtures and Accessories, manufactured in the United States and serving customers across all 50 states. We look forward to serving you! Upgrade your lighting with KASTLITE Halo Track Light Head Filters, the perfect replacement acrylic lens for MR11, MR16, PAR 20, and PAR 30 bulbs. These high-transmittance colored lenses allow you to easily change the color of your track lights, spotlights, floodlights, or LED and fluorescent landscape lighting. Available in amber, blue, clear, frosted, green, red, and yellow, these WAC bulb lenses are ideal for creating ambient lighting for living rooms, courtyards, gardens, patios, and commercial spaces. Each lens is precision-made to fit a variety of ceiling fixtures and provides bright, vibrant color without dimming your lights. Whether you need accent lighting, decorative lighting, or mood lighting, these durable acrylic replacement covers make it easy to adjust your indoor or outdoor lighting in seconds. KastLite, a leading U.S. lighting brand, ensures quality, reliability, and long-lasting performance across all 50 states.