The accessory carry siphons ABS is a reduction in the square and is printed shrink with sizes from 540x540 to 700x700 mm.

E 'suitable to contain a siphon polypropylene "Typhon" the measure 470x470 or 450x450, in order to be able to draw off the cast iron grids prepared for the insertion of the siphon with internal light from mm. 540 x 540, can be supplied single, or assembled (with a siphon 470x470) with 4 stainless steel rivets, thus becoming one body for greater convenience at the time of removal for maintenance, (Fig. 1)
It 'also possible to use the accessory, in the case where the grid was devoid the special siphon piping port, positioning at the time of installation, between the cockpit concrete and the frame of the grid, so as to derive the' support for the siphon same, (in this case the accessory must not be assembled to the siphon).
On request we can arrive at a measure external to mm. 750x750 in order to draw off the square grids are not ready for siphon (interior light 600x600) and round framed picture, not prepared for the trap (mm inner light. 600.) (Fig. 2).
If you use the accessory to draw off the grid with round diameter int. 600 mm., You will have to enter a siphon to 450x450.