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21 Gallon RV Black Water Tank, Leak-Proof RV Water Storage Tank for Toilets in Campers, Trailers, Motorhomes, and RVs, End Discharge, 48" x 24" x 8" (HT-1720)
AMAZON.COM
Price
$ 317.51
Last price was updated on: 19th Dec 2025, 04:01 AM
Pricing Analytics & Buying Assistance
Price Score:
Good
Poor
Average
Good
Excellent
Current Price
$317.51
$271.81
Lowest
$367.10
Highest
Buying Advice:
Good – Worth buying. 52% chance price goes up. Buy soon.
Good – Worth buying. 52% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$271.81
13th Aug 2024
Highest Ever
$367.10
25th Jun 2024
Average Price
$327.44
91 data points
Last 3M Low
$306.75
2nd Nov 2025
Last 6M Low
$306.75
2nd Nov 2025
Last 12M Low
$306.75
2nd Nov 2025
Price History Chart
Product Variants
Product Technical Information
| Product Code | B0D4RCWTLG |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Brand Name | Ameri-Kart |
| Rating | 4.3 ( 50 ratings ) |
| Category | Waste Water Tanks |
| Manufacturer | AMERI-KART |
| Model Number | HT1720 |
| Item Dimensions | 48 x 24 x 8 inches |
Frequently Asked Questions
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What is the lowest price ever for this product?The lowest price for 21 Gallon RV Black Water Tank Leak-Proof RV Water Storage Tank for Toilets in Campers Trailers Motorhomes and RVs End Discharge 4834 x 2434 x 834 HT-1720 was $271.81 on 13th Aug 2024. This is the best recorded deal so far.
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What is the highest price ever for this product?The highest price for 21 Gallon RV Black Water Tank Leak-Proof RV Water Storage Tank for Toilets in Campers Trailers Motorhomes and RVs End Discharge 4834 x 2434 x 834 HT-1720 was $367.10 on 25th Jun 2024. Prices have dropped since then.
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What is the average price of this product?The average price for 21 Gallon RV Black Water Tank Leak-Proof RV Water Storage Tank for Toilets in Campers Trailers Motorhomes and RVs End Discharge 4834 x 2434 x 834 HT-1720 is $327.44 (91 data points). This helps you compare current deals.
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What is the lowest price in the last 3 months?In the last 3 months, 21 Gallon RV Black Water Tank Leak-Proof RV Water Storage Tank for Toilets in Campers Trailers Motorhomes and RVs End Discharge 4834 x 2434 x 834 HT-1720 reached a low of $306.75 on 2nd Nov 2025. Recent price trends may help you decide when to buy.
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Should I buy this product now?Worth buying. The price is good, but you may wait for a better deal. 52% chance price goes up. Price may increase soon.