tender for supply of scuba equipment:-1 scuba cylinder: ( 11.1 ltr., with k valve ) aluminum valve working pressure 3000 psi. 2 first stage: diaphragm type, build material: chrome plated brass, connector type int, orthodontic mouthpiece 3 second stage: balanced design, connector type int, hp ports 2, lp ports 4, reinforced technopolymer casing 4 octopus: adjustable second stage, unbalanced design, weight = 550g, yellow top cover 5 guage console: double guage having a pressure guage and depth guage , metric measurement system, build material brass, flourescent dial, weight <600g scaled to 340 bars, anti shock 6 bcd: front adjustable waist band, lift capacity 10.2 kg, weight integrated, 4 d-rings, 2 pockets, padded hard pack 7 wet suit shorty: thickness 2.5mm, glued / bind-stiched seams, material: x-foam neoprene, weight <700g 8 dive boots: grip sole, fin strap keeper, reinforced toe and heel, gusseted zipper, weight <450g, 4mm thickness 9 dive fins: blade with open heel, flexible, tri - material blade, adjustable rubber heel strap 10 dive mask: dual lens mask, prescription lens compatible, polycarbonate, high -grade silicone, framed construction, weight <270g 11 snorkel: large bore upper tube, corrugated silicone lower tube, purge valve at lowest point, quick connect clip, dry top / splash guard. 12 surface marker buoy: hf welded pvc smb with a 6 m tether and clip and nylon pouch. 13 dive slate: fluorescent, weight <120g 14 underwater notebook 15 duffel bag: pvc-coated mesh, 90 liters, 3 padded handles, no wheels, weight <600g, double-slider main zipper 16 dive torch: 6 hours of optimum lumination, thumb operated switch, beam angle adjustable. 17 dive computer: backlit display, matrix screen, big and clear digits, logs more than 50 dives, indicates ascent rate, safety stop alarm, diver replacable batteries 18 weight belt: 5 feet belt with quick relase stainless steel buckle. 19 weight 2 kg: lead weight with two slits for the provision to fix to dive belt 20 weight 1 kg: lead weight with two slits for the provision to fix to dive belt