Clean Air Houseplant Collection contains a trio of easy-care houseplants that will not only lift interiors with their verdant foliage, but will also help to remove harmful pollutants from the air in your home or office. Each one of these air-purifying plants is easy to grow, and with their varied habits and foliage shapes they make a perfect arrangement together.Clean Air Houseplant Collection comprises one each of the following varieties:Chamaedorea elegans (12cm pot. Height 30cm) - The classic ‘Parlour Palm’ with graceful, arching fronds. Maximum height: 250cm (98). Spread: 150cm (59).Dracaena marginata ‘Bicolor’ (11cm pot. Height 45cm) - Spiky leaves striped red and yellow crown a woody stem, making a strong architectural statement. Maximum height: 120cm (48in). Spread: 90cm (36in).Sansevieria trifasciata var. laurentii (12cm pot. Height 30cm) - A virtually indestructible succulent with leathery, sword-like foliage adorned with bright gold margins. Maximum Height: 1m (39). Spread: 60cm (24).