4 Inch Female
1-1/2 Inch x 2 Inch
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![1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1520.jpg)
1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter
Item No. 303-1520
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![4 Inch 7-1/2 Gallon Ast Spill Container With Drain 4 Inch 7-1/2 Gallon Ast Spill Container With Drain](https://shop.sourcena.com/lowres/detail/518-0100AC.jpg)
4 Inch 7-1/2 Gallon Ast Spill Container With Drain
Item No. 518-0100AC
Designed to contain small spills that occur at the fill point on aboveground storage tanks
![7 Gallon 4 Inch Ast Spill Containment Manhole White 7 Gallon 4 Inch Ast Spill Containment Manhole White](https://shop.sourcena.com/lowres/detail/6221-ASTW74.jpg)
7 Gallon 4 Inch Ast Spill Containment Manhole White
Item No. 6221-ASTW74
Heavyweight welded base design, welded-hinge with lockable lid
![Fiberglass Dispenser Sump Double Wall 40 Inch X 21 Inch Fiberglass Dispenser Sump Double Wall 40 Inch X 21 Inch](https://shop.sourcena.com/lowres/nophoto.gif)
Fiberglass Dispenser Sump Double Wall 40 Inch X 21 Inch
Item No. FDS-4021-DW
Allows the supply piping to enter and/or exit out of the sidewall of the containment sump at very low elevation.
![12-1/2 Foot x 300 Foot Filter Fabric 12-1/2 Foot x 300 Foot Filter Fabric](https://shop.sourcena.com/lowres/detail/TYPAR-3401.jpg)
12-1/2 Foot x 300 Foot Filter Fabric
Item No. TYPAR-3401
Meets AASHTO M288 class 3 requirements
![4 Inch Female NPT 8 Ounce/Square Inch Aluminum Emergency Vent With Cast Iron Cover And FKM Viton A O-Ring UL 2583 And ULC Listed 4 Inch Female NPT 8 Ounce/Square Inch Aluminum Emergency Vent With Cast Iron Cover And FKM Viton A O-Ring UL 2583 And ULC Listed](https://shop.sourcena.com/lowres/detail/244O-0100AV.jpg)
4 Inch Female NPT 8 Ounce/Square Inch Aluminum Emergency Vent With Cast Iron Cover And FKM Viton A O-Ring UL 2583 And ULC Listed
Item No. 244O-0100AV
UL Listed emergency vent (pressure relief only) used on aboveground storage tanks, as a code requirement, to help prevent the tank from becoming over-pressurized and possibly rupturing if ever exposed to fire.
![Fiberglass Dispenser Sump, Single Wall, For Encore 40 Inch X 21 Inch (FDS-4021) Fiberglass Dispenser Sump, Single Wall, For Encore 40 Inch X 21 Inch (FDS-4021)](https://shop.sourcena.com/lowres/detail/FDS-4021-SL.jpg)
Fiberglass Dispenser Sump, Single Wall, For Encore 40 Inch X 21 Inch (FDS-4021)
Item No. FDS-4021-SL
Comes with 2 inch rain lip