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![4 Inch Fill Swivel Adapter - Brass 4 Inch Fill Swivel Adapter - Brass](https://shop.sourcena.com/lowres/detail/SWF-100-B.jpg)
4 Inch Fill Swivel Adapter - Brass
Item No. SWF-100-B
Protects against fuel spills in the event of a piping break
![4 Inch Vapor Swivel Adapter - Brass 4 Inch Vapor Swivel Adapter - Brass](https://shop.sourcena.com/lowres/detail/SWV-101-B.jpg)
4 Inch Vapor Swivel Adapter - Brass
Item No. SWV-101-B
Prevents vapor leaks at fill adapter due to loosening from riser during tank filling
![4 Inch X 4 Inch Fill Adapter Bronze Top Seal 4 Inch X 4 Inch Fill Adapter Bronze Top Seal](https://shop.sourcena.com/lowres/detail/633T-8076.jpg)
4 Inch X 4 Inch Fill Adapter Bronze Top Seal
Item No. 633T-8076
Threads onto the 4 inch fill pipe of underground storage tanks to mate with top-seal delivery 4 inch elbows
![4 Inch Top Seal Flat Top Low Profile Cap 4 Inch Top Seal Flat Top Low Profile Cap](https://shop.sourcena.com/lowres/detail/731-40.jpg)
4 Inch Top Seal Flat Top Low Profile Cap
Item No. 731-40
Water and vapor tight can-action handle
![4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass 4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass](https://shop.sourcena.com/lowres/detail/305-0200AA.jpg)
4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass
Item No. 305-0200AA
Top seal Adapters thread onto underground and aboveground storage tank fill ports and riser pipes where tight fill connections are required
![DIESEL 3 Inch Round In-Ground Cast Aluminum Tank/Product Identification Marker With Black Text On Yellow Background DIESEL 3 Inch Round In-Ground Cast Aluminum Tank/Product Identification Marker With Black Text On Yellow Background](https://shop.sourcena.com/lowres/detail/53-D.jpg)
DIESEL 3 Inch Round In-Ground Cast Aluminum Tank/Product Identification Marker With Black Text On Yellow Background
Item No. 53-D
Color-coded identification marker with API specifications for quick visual identification of underground stored fuels to read DIESEL
![4 Inch Fill Cap Evr Approved 4 Inch Fill Cap Evr Approved](https://shop.sourcena.com/lowres/detail/305C-0100-ACEVR.jpg)
4 Inch Fill Cap Evr Approved
Item No. 305C-0100-ACEVR
EVR Approved used for fill ports and access to leak detection on fuel storage tanks
![In-Ground Tank/Product Id Marker Raised Letter Cast : Premium In-Ground Tank/Product Id Marker Raised Letter Cast : Premium](https://shop.sourcena.com/lowres/detail/A0998-016.jpg)
In-Ground Tank/Product Id Marker Raised Letter Cast : Premium
Item No. A0998-016
Identify product grade in the underground tanks lower profile with beveled edge minimizes tripping hazard