Osram Halogen Energy Saver R63 42W ES Twin Pack

Osram - A manufacturer of lightbulbs and electronic control gear

Halogen - A chemical element often used in lighting

UV - Ultraviolet - a specific wavelength of light invisible to the human eye

Filter - A device used to separate mixtures

Filter - An optical device to remove or enhance particular wavelengths of light.

Year - The time it takes the planet earth to orbit the sun. This takes around 365.25 days.

Alternative - Another available choice or possibility

Twin - A pair of people or animals that are born at the same time.

Year - 365 days (366 days in a leap year), the time taken for planet earth to make one full revolution around the sun.

Robert Dyas is a home ware retailer that has been running for over 130 years. They began trading as ironmongers in 1872 and quickly expanded to multiple locations throughout the UK. Today the brand have diversified into selling a wide range of products such as kitchenware, power tools, electrical appliances, gardening products, home office products and china. The brand have 100 stores in prime retail locations throughout the UK and have a thriving online presence. They stock a variety of well-known brands such as Kenwood, Brita, Morphy Richards, Duracell, Tefal, Brabantia, Viax and Energizer. Robert Dyas are dedicated to making their stores a one stop shop for all your household needs. They are interested in offering new and inspiring products and always aim to keep their prices competitive.