Jardin Plastic Aquarium Garden Pond 3-Mode Fountain Head Set, Black Product name: fountain head set; material: plastic Dome head size: 3 x 3 5cm/1 18" x 1 37" (d*h) Trumpet Head Size: 3. 1 x 8. 2cm/1. 22" x 3. 2" (D*H) Flower Head Size: 4 x 3. 6cm/1. 6" x 1. 4" (D*H) Extension tubes length: 40cm/15 7" (max )