WHK Hose Bib Backflow Preventer Vacuum Breaker,Garden Hose Check Valve to Connect 3/4 Inch Outdoor Faucet Spigot,Sprinkler,RV,Anti-Siphon,2 Packs vs Arrowhead PK1390 Replacement Self Draining Vacuum Breaker

We couldn't find enough data on either product to be able to come to any reliable conclusions. We highly recommend that you take a look at some other options in the $10 and $20 budget ranges instead.

The WHK Hose Bib Backflow Preventer Vacuum Breaker,Garden Hose Check Valve to Connect 3/4 Inch Outdoor Faucet Spigot,Sprinkler,RV,Anti-Siphon,2 Packs hasn't managed to perform well enough to earn a place in any Outdoor Faucet roundups conducted by sources that do their own, high-quality, hands-on testing. That alone makes it a hard product to recommend.

Taking a look at the Arrowhead PK1390 Replacement Self Draining Vacuum Breaker, we found that it hasn't managed to perform well enough to earn a spot in any Outdoor Faucet roundups done by sources that conduct their own, high-quality, hands-on testing. That alone makes it difficult to recommend.

As a last step, we wanted to do a head-to-head WHK Hose Bib Backflow Preventer Vacuum Breaker,Garden Hose Check Valve to Connect 3/4 Inch Outdoor Faucet Spigot,Sprinkler,RV,Anti-Siphon,2 Packs vs. Arrowhead PK1390 Replacement Self Draining Vacuum Breaker comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.