$107.99
'Double Check Your Work' Vintage AdvertisementWayfair$259.95
1" Double Check Valve AssemblyGlobal Industrial$45.00
Hurley Double Check HoodieBuckleSAVE $104.00
$242.00$346.00
S-dewny-double-check-a Shirt JacketLyst$127.49
Watts 3/4" 9DM2 Double Check ValveGlobal IndustrialSAVE $5.00
$14.99$19.99
Wisconsin Badgers Double-Check Logo Stocking - Cardinal/WhiteFanatics$184.00
1 in. 950XLT2 Double Check Backflow Preventer ValveThe Home Depot$219.99
Piusi USA Micromatic RSV Double Check Valve CouplerTractor Supply$85.95
Buyers Steel Double Check Valve, HCVD08, 1/2" NPTF Valve, 4422 PSI / 315 BAR Max PressureGlobal Industrial$5,940.84
3/4 in. Bronze Double Check Valve Backflow PreventerThe Home Depot$10.99
Michael Miller Kiss The Cook Double Check Shell FabricEtsy$119.95
Department 56 North Pole Village Check And Double Check - BoxedReplacements, Ltd.$610.68
1-1/4 in. Dia Bronze Double Check Backflow PreventerThe Home Depot$218.99
APOLLO VALVES 4ALF104A2F Double Check Valve Assembly,Size 3/4 In.Zoro.com$654.07
1-1/2 in. 350 Double Check Backflow Preventer, Non-PotableThe Home Depot$74.00
Alo Yoga® | Airlift Double Check Bra Tank Top in Black, Size: XSAlo$216.45
3/4 in. Double Check Composite Vessel Fast Test Cocks Valve AssemblyThe Home Depot$393.29
3/4 in. 950XL3 Double Check Backflow Preventer with Union Ball ValvesThe Home Depot$336.23
Zurn Wilkins 1-in Bronze Flanged Double-check Backflow Preventer | 1-350XLLowe's$30.99
Add-On 3/4 in. Hose Thread Chrome Double-Check Backflow PreventerThe Home Depot$350.85and up
Wilkins 1-950XLT2 1-inch FNPT x FNPT Double Check Valve AssemblyBed Bath & Beyond & 1 moreSAVE $11.80
$106.20$118.00
Lilly Pulitzer Mitzi Cotton Cami (Boca Blue Double Checking) Women's ClothingZappos$130.27
3/4 in. Double Check Valve Backflow Preventer Assembly Small Diameter Freeze SensorThe Home Depot$987.47
2 in. 950XL3 Double Check Backflow Preventer with Integral Male Flare SAE Test FittingThe Home Depot$331.99
Zurn Wilkins 3/4-in Bronze FIP Double-check Backflow Preventer | 34-950XLT2FTLowe's$306.52
Zurn Wilkins 3/4-in Bronze FNPT Double-check Backflow Preventer | 34-350XLFTLowe's$1,970.00
Original Abstract Painting by Rodrigue Semabia | Abstract Expressionism Art on Canvas | Double-checking #3Saatchi Art$65.65
Watts 1/2 in. D X 1/2 in. D Brass Double Check ValveAce Hardware$159.98
Watts 3/4-in Bronze FNPT Double-check Backflow Preventer | 007M3QT 3/4 RLowe's$336.23
Zurn Wilkins 1-in Bronze FNPT Double-check Backflow Preventer Stainless Steel | 1-950XL3Lowe's$239.99and up
Watts 1 in. D X 1 in. D FNPT x FNPT Brass Backflow Preventer Double Check ValveAce Hardware & 1 more$248.00
Lilly Pulitzer Shylee Maxi Dress in Boca Blue Double Checking at Nordstrom, Size 16Nordstrom$651.20
Watts 0063232 LF007 1" Lead Free Double Check Valve Assembly Valves Check Valves 1 InchBuild.com$50.00
Feather 4 Arrow Kids' Double Check Volley Swim Trunks in Chi at Nordstrom, Size 5Nordstrom$464.35
3/4 in. FPT x 10 in. Freezeless Wall Hydrant with Double-Check Backflow PreventerThe Home Depot$179.89
Watts 1-in FNPT x Fnpt Bronze Double Check Valve | 007M1 QT 1 R FZLowe's$50.00
Feather 4 Arrow Kids' Double Check Volley Swim Trunks in Chili Pepper at Nordstrom, Size 12-18MNordstrom$4,583.20
Watts 0111512 4" Stainless Steel Double Check Valve Assembly with OSY Shutoff Valves Valves Check ValvesBuild.com$165.00
3/4 in. Bronze Double Check Valve Backflow Preventer Assembly Quarter Turn Shutoff with Freeze SensorThe Home Depot$50.00
Feather 4 Arrow Kids' Double Check Swim Trunks in Crystal Blue at Nordstrom, Size 6-12MNordstrom