Yeah I saw the 1 on cleantech site the 3 look quite simaler just wondering b4 I fork out for 1 which seemed the best and beat way of finding out is by asking the hits that use them I no unger do 1 to buy to b honest not keen on the idea of screwing them together or that the water passes through the pole.and never mind the price.I no people have raved about the SL but never heard of any1 using the brodex.and from what I belive not sure am right cleantechs 1 is emporium?are they any good?