All the parts needed to connect a gas water heater

Contains: (1) 18 In

flexible gas connector, (1) 1/2 In

pipe nipple, 1 Female nipple connector and 1 Male nipple connector, (2) 1/2 In

pipe connectors, (2) 3/4 In

pipe connectors, (2) 3/4 In

pipe nipples, (2) 3/4 In

to 1/2 In

reducer bushings, and (2) 15 In

flexible water connectors