Both connections are G1/2（about 20mm）standard size.
Step 1 : make sure the type that you need. Male thread or Female thread.
Step 2 : measure it as the table (picture) shows.
Step 3 : find the size from the table (picture).
Finally, you can take it to the cart and pay it.
If you have not found the size that you need, please contact with us.
We will write back to you as soon as possible.
Because some size are not yet displayed on the store.
Due to the time difference, we may reply you a little bit late.
Anyway, we promise to reply you in 18 hours, except public holidays. o(^▽^)o
Please choose Aliexpress saver shipping or Aliexpress standard shipping or China post registered air mail or Express, if you need tracking number.
When shipping to Russian Federation, Spain, Ukraine, Belarus,
if the order is less than 5 USD, it will be sent out by Aliexpress saver shipping,it is faster to finish customs clearance.
If the order is over 5 USD, it will be sent out by Aliexpress standard shipping.
When shipping to Spain,
if the order is less than 10 USD, it will be sent out by Aliexpress saver shipping,it is faster to finish customs clearance.
If the order is over 10 USD, it will be sent out by Aliexpress standard shipping.
If the amount is over 150 USD, please contact with us, there are some special line shipping ways or Express ways for you to choose.
It is fast delivery and free shipping.
1. Be followers, there will be extra 1 % discount automatically.
2. We will appreciate it very much if you can write more detail feedback for us.Your detail feedback can be really helpful for other customers when they are choosing products. Please just contact us when you have made detail feedback, there will be a secret gift for you.
Have a nice day! Hope you enjoy shopping here!
1. What shipping ways should I choose?
It will be better to choose a shipping way providing tracking information, such as, Aliexpress standard shipping or China post air mail, ePacket or Express companies.
2. If I buy more products, can I get a discount or a Express shipping way?
Yes. If the products are over 1 KG, it may be sent out by Express companies for free, it depends on the destination countries.
If you place a bulk order, there will be an extra discount for you. Please just contact us freely.
3. If I have a question, how long will you reply me?
We will reply you in 18 hours due to the time difference. Most of the time, it will be in 1 hours.
4. What Can I do if I have not received the parcel in protection time?
Please contact us to extended the protection time, and we will also follow it and contact the post, please just contact us before opening a dispute.