tender for supply of ro spare , membrance model no bw-30-365 make-dow , titration flask size 250 mlmake-borosil , beaker-250 ml make-borosil , universal indicator 4.0 ph to 11.0 ph500 ml per bottle merck= 4 bottle make- merck , alkalinity testing kit ae-20 4 make- aquasol , total hardness ae- 211 make- aquasol , chloride ae_ 203 make- aquasol , sulfite ae-206 make- aquasol , iron low level make- aquasol , hydrazine ae-304 make- aquasol , dissolved oxygen aed-08 make- aquasol , turbidity test kit make- aquasol , silica ae302, 5-80 mg / l make- aquasol , ss clamp 5 / 8”x 1 ½” good quality , teflon tape ¾” good quality , rustolin good quality , pvc flexible / suction pipe 2”, 50 mm make- kasta , mechanical seal for mono black pump 4”x 4 mech. seal-28 tfc cold sap code mech sl0028 tfc-c make- crompton , digital tds meter s-945 brand-systonic, display-3 ½”digit led, range- 0 to 200 ppm, 0 to 2000 ppm, 0 to 20000 ppm, 0 to 200000 ppm, 0 to 10000000 ppm, dime vision -280 x 180 x 8 mm ( lxbxh ) make- systonic , end cap ( plate assembly complete set with ‘o’ ring with lock and connector for 8”pressure tube any good quality as per sample , silica low level 0.01 to 0.53. mgl, code-1.144410.0001 150 test make- merck , silica medium level range 0.3 to 10 mgl, code- 1.14792.0001, 150 test make- merck , phosphate 1.0 to 123 mgl code- 1.14449.0001, 150 test make- merck , cartridge filter 05 micron size 30” long p.p. wound od-2.5 any good quality , cartridge filter 1 micron size 40” long p.p. wound od-2.5 any good quality , jumbo filter size 20”long 05 micron ( wound ) for de-sealing pp wound make- good quality