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![18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1800.jpg)
18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1800
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt 18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1819.jpg)
18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1819
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![Mid-Grade Unleaded Spill Container Cover ID Tag Color-Coded Blue With White Cross Mid-Grade Unleaded Spill Container Cover ID Tag Color-Coded Blue With White Cross](https://shop.sourcena.com/lowres/detail/1TAG-2000.jpg)
Mid-Grade Unleaded Spill Container Cover ID Tag Color-Coded Blue With White Cross
Item No. 1TAG-2000
OPW Color-Coded Spill Container Tags positively and conspicuously identify tanks preventing costly and dangerous product drop mistakes. Simple peel and stick adhesive-backed high-visibility color ID tag can be placed into the special recesses cast into the spill container cover.
![Premium Unleaded Spill Container Cover ID Tag Color-Coded Red With White Cross Premium Unleaded Spill Container Cover ID Tag Color-Coded Red With White Cross](https://shop.sourcena.com/lowres/detail/1TAG-3000.jpg)
Premium Unleaded Spill Container Cover ID Tag Color-Coded Red With White Cross
Item No. 1TAG-3000
OPW Color-Coded Spill Container Tags positively and conspicuously identify tanks preventing costly and dangerous product drop mistakes. Simple peel and stick adhesive-backed high-visibility color ID tag can be placed into the special recesses cast into the spill container cover.
![Diesel Spill Container Cover ID Tag Color-Coded With Yellow Hex Diesel Spill Container Cover ID Tag Color-Coded With Yellow Hex](https://shop.sourcena.com/lowres/detail/1TAG-4000.jpg)
Diesel Spill Container Cover ID Tag Color-Coded With Yellow Hex
Item No. 1TAG-4000
OPW Color-Coded Spill Container Tags positively and conspicuously identify tanks preventing costly and dangerous product drop mistakes. Simple peel and stick adhesive-backed high-visibility color ID tag can be placed into the special recesses cast into the spill container cover.
![E85 Spill Container Cover ID Tag Color-Coded Bronze Diamond With Black E85 E85 Spill Container Cover ID Tag Color-Coded Bronze Diamond With Black E85](https://shop.sourcena.com/lowres/detail/1TAG-CE85.jpg)
E85 Spill Container Cover ID Tag Color-Coded Bronze Diamond With Black E85
Item No. 1TAG-CE85
OPW Color-Coded Spill Container Tags positively and conspicuously identify tanks preventing costly and dangerous product drop mistakes. Simple peel and stick adhesive-backed high-visibility color ID tag can be placed into the special recesses cast into the spill container cover.
![39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt 39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt](https://shop.sourcena.com/lowres/nophoto.gif)
39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt
Item No. 39CD-WT10
Lightweight and extremely durable composite cover manhole makes sump access safer and easier
![4 Inch X 15 Foot Straight Drop Tube 4 Inch X 15 Foot Straight Drop Tube](https://shop.sourcena.com/lowres/detail/61T-7368.jpg)
4 Inch X 15 Foot Straight Drop Tube
Item No. 61T-7368
Installed in the fill riser pipe to an underground storage tank
![2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum 2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum](https://shop.sourcena.com/lowres/detail/A0084-038.jpg)
2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum
Item No. A0084-038
Is an internal pressure vacuum valve that restricts vaopr escape during product drops.
![Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt](https://shop.sourcena.com/lowres/nophoto.gif)
Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt
Item No. A0721-001
Painted ductile iron lid and rim polyethylene skirt
![Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt](https://shop.sourcena.com/lowres/detail/A0721-119.jpg)
Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt
Item No. A0721-119
19 Inch Overall Height, 9.4 Inch Clearhole ID, 15.1 Inch Max Diameter
![2 Inch O-Ring Seal Pressure Vacuum Vent 2 Inch O-Ring Seal Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/80230302.jpg)
2 Inch O-Ring Seal Pressure Vacuum Vent
Item No. 80230302
Vent rates of 8000 cubic feet per hour and vent at 13.8 in WC of pressure and 0.8 in WC of vacuum.
![12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1200.jpg)
12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1200
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent 3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/623V-3203.jpg)
3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-3203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
![8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-0800.jpg)
8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-0800
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![Regular Unleaded Spill Container Cover ID Tag Color-Coded White With Black Cross Regular Unleaded Spill Container Cover ID Tag Color-Coded White With Black Cross](https://shop.sourcena.com/lowres/detail/1TAG-1000.jpg)
Regular Unleaded Spill Container Cover ID Tag Color-Coded White With Black Cross
Item No. 1TAG-1000
OPW Color-Coded Spill Container Tags positively and conspicuously identify tanks preventing costly and dangerous product drop mistakes. Simple peel and stick adhesive-backed high-visibility color ID tag can be placed into the special recesses cast into the spill container cover.
![2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent 2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/623V-2203.jpg)
2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-2203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
![18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt 18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt](https://shop.sourcena.com/lowres/detail/98-1810.jpg)
18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt
Item No. 98-1810
- 3/8 inch steel diamond plate cover with 18 gauge galvanized skirt, Buna-N gasket, and (2) flush-mount bolts.
![2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum 2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum](https://shop.sourcena.com/lowres/detail/523V-1150.jpg)
2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum
Item No. 523V-1150
Factory preset and tested settings
![2 Inch Pressure Vacuum Vent Thread On 3 Inch Water Column Pressure 8 Inch Water Column Vacuum 2 Inch Pressure Vacuum Vent Thread On 3 Inch Water Column Pressure 8 Inch Water Column Vacuum](https://shop.sourcena.com/lowres/detail/523V-2203.jpg)
2 Inch Pressure Vacuum Vent Thread On 3 Inch Water Column Pressure 8 Inch Water Column Vacuum
Item No. 523V-2203
Factory preset and tested settings