Check the listing for details. Profoto Gel Kit for A1 Flash - 101209. Condition: New. Listed at 99.00 USD. Overview The Profoto Gel Kit for A1 Flash contains four light balancing filters that neatly fit into the supplied Gel Holder, which quickly clicks onto the A1's magnetic mount. The Full, 1/2 and 1/4 CTO filters are basically graduated conversion filters that warm the A1's daylight-balanced output. The full gel is a complete conversion to approximately 3200K, while the 1/2 is aggressively warm to match other fixtures, or for creative effect. The 1/4 CTO provides a warm late afternoon look. Lastly, the 1/2 Plus Green filter helps balance the output with fluorescent lights. Key Features Gel Holder Clicks onto Magnetic Mount Daylight to Tungsten Conversion Filters Fluorescent Filter Full CTO 1/2 CTO 1/4 CTO 1/2 Plus Green Hard Case In the Box Profoto Gel Kit for A1 Flash Gel Holder Full CTO Filter 1/2 CTO Filter 1/4 CTO Filter 1/2 Plus Green Filter Hard Case Limited 2-Year Warranty