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Enviro Design Products manufactures and resells products for the recreational vehicle camping, water, environmental and infrastructure industries. We offer a variety of well, water, and sewer pipe containment products that allow our customers to control access to their environmental systems.

We offer products that handle pipes from 1/2" in size all the way to 48" manholes. Many of our caps and lids lock and some even offer vapor access for monitoring. No matter what your application, check our Enviro Design Products website for all your camping and environmental water or sewer needs. 

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Square Manhole Cover, Vault 36" x 24" x 24", Hinged Lift Assist (A0717-736VWAL) - product photo Square Manhole Cover, Vault 36" x 24" x 24", Hinged Lift Assist (A0717-736VWAL) - dimensional drawing
All ProductsEMCO Wheaton Manholes

Square Manhole Cover, Vault 36" x 24" x 24", Hinged Lift Assist

The EMCO Wheaton A0717-736VWAL is a 36" (36x24x24) square manhole/vault with a 3/8" heavy-duty diamond plate steel lid and 16-gauge steel body. The locking vault lift assist design features a...
$ 1,647.93
Composite Manhole Cover, Round 39"x10", Cam-Lock Steel skirt (A0716-039C) - product photo Composite Manhole Cover, Round 39"x10", Cam-Lock Steel skirt (A0716-039C) - dimensional drawing
All ProductsComposite Manhole Covers & Frames

Composite Manhole Cover, Round 39"x10", Cam-Lock Steel skirt

The EMCO Wheaton A0716-039C is a 39" round manhole with a black composite (UV-resistant, fiber-reinforced) lid and hot rolled steel skirt. The cam-lock lid uses a cam-lock mechanism with ribbed...
$ 1,141.58
Composite Manhole Cover, Round 42" x 19", Lay-In Lid (A0716-042A) - lay-in configuration diagram Composite Manhole Cover, Round 42" x 19", Lay-In Lid (A0716-042A) - product photo
All ProductsComposite Manhole Covers & Frames

Composite Manhole Cover, Round 42" x 19", Lay-In Lid

The EMCO Wheaton A0716-042A is a 42" round manhole with a black composite (UV-resistant, fiber-reinforced) lid and hot rolled steel skirt. The lay-in lid drops into the frame without bolts...
$ 1,407.81
Steel Manhole Cover, Round 30" x 13",3/8" Bolt-down Steel Lid (A0717-030B) - additional view Steel Manhole Cover, Round 30" x 13",3/8" Bolt-down Steel Lid (A0717-030B) - product photo
All ProductsEMCO Wheaton Manholes

Steel Manhole Cover, Round 30" x 13",3/8" Bolt-down Steel Lid

The EMCO Wheaton A0717-030B is a 30" round manhole with a 3/8" diamond plate steel lid and hot rolled steel skirt. The bolt-down lid secures with bolts and a ribbed...
$ 1,011.24
Square Manhole Cover, Vault 24" x 24" x 24", Bolt-down Lid (A0717-724ABW)
All ProductsEMCO Wheaton Manholes

Square Manhole Cover, Vault 24" x 24" x 24", Bolt-down Lid

The EMCO Wheaton A0717-724ABW is a 24" square manhole/vault with a 3/8" heavy-duty diamond plate steel lid and 16-gauge steel body. The bolt-down design secures with bolts and a ribbed...
$ 679.56
3" Torquer Locking Well Vapor Extraction Plug SCH 40 (T3VE)
All ProductsKoby Environmental, Inc

3" Torquer Locking Well Vapor Extraction Plug SCH 40

The Koby 3" Torquer Vapor Extraction Plug (T3VE) enables vapor and groundwater sampling through a vented port without removing the plug — preserving well integrity and preventing cross-contamination. Internal expansion...
$ 47.74
3/4" Torquer Locking Well Plug SCH 80 (T.75 80)
All ProductsKoby Environmental, Inc

3/4" Torquer Locking Well Plug SCH 80

The Koby 3/4" Torquer Locking Well Plug (T.75 80) seals monitoring well casings from the inside using an internal expansion design — no metal parts means no corrosion or rust...
$ 15.52
Cherne 1"-1.25" Monitor Well Locking Plug (271648) - product photo Cherne 1"-1.25" Monitor Well Locking Plug (271648) - alternate angle
All ProductsCherne

Cherne 1"-1.25" Monitor Well Locking Plug

The Cherne 1"-1.25" Monitor Well Locking Plug (part #271-648) is a pneumatic locking plug for 1" to 1-1/4" monitoring wells. Pneumatic inflation provides a secure seal for groundwater monitoring well...
$ 33.59
Cherne  5" Stainless Steel Econ-O-Grip  Plug (273358) - product photo Cherne  5" Stainless Steel Econ-O-Grip  Plug (273358) - alternate angle
All ProductsCherne

Cherne® 5" Stainless Steel Econ-O-Grip® Plug

The Cherne 5" Stainless Steel Econ-O-Grip plug (part #273-358) is a chemical-resistant blocking plug for 5" pipe in petroleum and chemical environments. Nitrile rubber O-ring with stainless steel hardware. Rated...
$ 68.09
Cherne  18" Aluminum T-Handle Gripper  Plug (Non By-Pass)* (272888) - product photo Cherne  18" Aluminum T-Handle Gripper  Plug (Non By-Pass)* (272888) - alternate angle
All ProductsCherne

Cherne® 18" Aluminum T-Handle Gripper® Plug (Non By-Pass)*

The Cherne 18" Aluminum T-Handle Gripper (part #272-888) is the largest mechanical T-Handle Gripper available — a 30 lb aluminum plug for full shutoff on 18" concrete and clay sewer...
$ 881.52
Cherne  4" Hub-Fit Gripper  Plug (270548) - product photo Cherne  4" Hub-Fit Gripper  Plug (270548) - alternate angle
All ProductsCherne

Cherne® 4" Hub-Fit Gripper® Plug

The Cherne 4" Hub-Fit Gripper (part #270-548) is a mechanical test plug for 4" hub fittings and bell-end pipe — the most common hub size in residential plumbing. Rated for...
$ 24.84
Cherne  0.39" Kwik   Sure  Plug, PSI 185 (269832) - product photo Cherne  0.39" Kwik   Sure  Plug, PSI 185 (269832) - alternate angle
All ProductsCherne

Cherne® 0.39" Kwik 'n Sure® Plug, PSI 185

The Cherne 0.39" Kwik Sure plug (part #269-832) is a high-pressure mechanical test plug rated for 185 PSI. Designed for quick pipe sealing on 0.39" lines — the Kwik Sure...
$ 8.01