This is a 6ft 75w T12 Fluorescent tube in a 3500k / standard white colour, used within T12 batten fittings, these tubes are ideal for lighting large areas such as warehouses and factories, but can also be used in domestic environments. F65W/35, as they are commonly known, are a traditional T12 type of fluorescent tube with a G13 cap type and are roughly 38mm in diameter. This particular tube is extremely rare due to all major manufacturers making them obsolete in 2012. The Triphosphor T12 tubes have been introduced to allow customers to replace their old T12 tubes with a higher quality and longer life tube over the original (15,000 hours vs 8,000 hours). The benefits are maintaining the same look for old fittings while using modern T8 type technology. In the unlikely event of damages, we will replace like for like or honour a 30-day moneyback guarantee depending on customers requests.