Model A: DN15 (4 points) aluminum head quickly open

Model B: DN15 (4 points) copper iron rod quickly

Model C: DN15 (4 points) copper head copper rod quickly

Model D: DN15 (4 points) iron head iron rod slowly opens

E-model: DN15 (4 points) copper iron rod slowly opens

Model F: DN15 (4 points) copper head copper rod slowly open

G model: DN15 (4 points) iron head iron rod slowly open (small-body electroplated silver)

H-style: DN15 (4 points) copper head iron rod slowly open (small-body electroplated silver)

Model I: DN15 (4 points) copper head iron rod slow opening (basically electroplated silver)

Model J: DN15 (4 points) copper head copper rod slowly opened (basically electroplated silver)

K model: DN15 (4 points) copper head copper rod flat nozzle slow opening (sprayed silver paint is super large)

L model: DN15 (4 points) copper head copper rod tip opening slowly (sprayed silver paint is super large)

M model: DN15 (4 points) slow-open flagship model

N: DN15 (4 points) aluminum head with lock

Model O: DN15 (4 points) copper head with lock

Model P: DN20 (6 points) aluminum head quickly

Q model: DN20 (6 points) copper iron rod quickly

Model R: DN20 (6 minutes) copper head copper rod quickly

S model: DN20 (6 points) copper iron rod slowly opens

T-model: DN20 (6 points) copper head copper rod slowly opens

U-style: DN20 (6 points) aluminum head with lock

V-model: DN20 (6 points) copper head with lock

Model W: DN20 (6 points) copper head copper rod flat nozzle slow opening (sprayed silver paint is super large)

Model X: DN20 (6 points) copper head copper rod tip opening slowly (sprayed silver paint to a large size)

Y model: DN20 (6 points) slow-open flagship model

Z model: DN25 (1 inch) slow opening

AA: switch key with lock faucet