Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000

Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000

$38.99
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Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
  • Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000
Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000

Class A Customs RV Black Water Holding Tank, 40 Gallon, 56.50 x 24.50 x 9 - WT-4000

$38.99

Class A Customs WT-4000 is a 40 Gallon black/waste water holding tank for human waste or gray water. Do not use for fresh or drinking water.

  • Material: Medium Density Polyethylene (MDPE) resin
  • Construction: One-piece seamless construction
  • Resistant to stain, corrosion, and rust
  • Tank measurements: 56.50 length (not including pipe) x 24.50 width x 9 depth at largest point
  • 3 PVC female pipe adapter
  • Do not over-tighten fittings; damage will occur
Flat $5.95 U.S. shippingFree on orders $60+
Ships in 1–2 business days3–7 business days in transit, tracked
30-day returnsUnopened · no restocking fee
Good to know

Shipping, returns & care

Flat $5.95 on U.S. orders; free on orders of $60 or more. We ship within United States only.

Orders are packed within 1–2 business days. Delivery normally takes another 3–7 business days, with a tracking link emailed to you. Full details on our Shipping Policy.

You have 30 days from delivery to return any unopened item in its original sealed packaging. Buyer pays return postage on change-of-mind returns; damaged, wrong or lost orders are replaced or refunded in full and we cover the postage. No restocking fees.

Approved refunds go back to your original payment method within 5–10 business days. See the full Refund Policy.

Check the age grade on the product page before buying. Toys with small parts, magnets or batteries are not for children under 3 and should be used with adult supervision. Keep packaging until you are sure the toy is right — unopened items are returnable for 30 days.

Email support@kitesoftheharbor.com or use our contact form. A real person at our shop in Sag Harbor, NY reads every message, Open daily 9 AM – 8 PM ET — usually answered within one business day.

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