Ultra-Drain Guard® Adjustable Frame Storm Drain Filter 20" to 36" W & 16" to 28" L; Round Drains 22" to 29" Dia.
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Price Match Guarantee
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Ultra-Drain Guard® Adjustable Frame Storm Drain Filter 20" to ...
Ultra‑Drain Guard Storm Drain Filters
Protect waterways and meet NPDES 40 CFR 122.26 storm‑water rules with the Ultra‑Drain Guard. The patented, adjustable filter installs in minutes—no trimming required—and captures up to 0.5 gal (1.9 L) of oil plus 40 lb (18 kg) of sediment before pollutants reach the sewer.
Key benefits
- Fast, no‑cut fit — steel frame expands to match rectangular or round grates from 16 × 20 in. to 29 × 29 in.
- Stay‑put security — frame locks under the grate, so the fabric stays in place even when the cover is lifted.
- High flow rate — optional overflow ports raise capacity from 90 gpm/ft² to 770 gpm to prevent ponding.
- Reusable or disposable — choose Heavy‑Duty (reusable frame, replaceable fabric) or Economy (one‑piece disposable) models.
- Regulation ready — helps comply with TMDL limits and local storm‑water mandates.
| Part # | Model | Qty | Drain Size in. (mm) | Containment | Weight lbs (kg) |
|---|---|---|---|---|---|
| 8935 | Economy w/ Overflow | 1 | 16×20–28×36 (406×508–711×914) | 0.5 gal / 40 lb | 2.6 (1.2) |
| 8936 | Economy w/ Overflow | 10 | 16×20–28×36 (406×508–711×914) | 0.5 gal / 40 lb | 26 (11.8) |
| 8938 | Economy no Overflow | 10 | 16×20–28×36 (406×508–711×914) | 0.5 gal / 40 lb | 26 (11.8) |
| 8920 | Economy Round | 1 | 22–25 Ø × 14 H (559–635 Ø × 356 H) | 0.5 gal / 40 lb | 1 (0.45) |
| 8921 | Economy Round | 1 | 25–29 Ø × 14 H (635–737 Ø × 356 H) | 0.5 gal / 40 lb | 2 (0.91) |
| 8930 | Heavy‑Duty Adjustable | 1 | 16×20–26×32 (406×508–660×813) | 0.5 gal / 40 lb | — |
| 8931 | Heavy‑Duty Adjustable | 10 | 16×20–26×32 (406×508–660×813) | 0.5 gal / 40 lb | — |
FAQs
-
Is the frame reusable?
Heavy‑Duty: yes—swap the fabric. Economy: dispose of frame and fabric together. - Does it absorb oil? Yes—captures oil, fuel, and sheen while trapping grit and trash.
- Can I buy replacement fabric? Yes, for Heavy‑Duty models.
- What flow can it handle? 90 gpm/ft² standard; up to 770 gpm with overflow ports.
- Service life? Inspect after storms; replace when saturated or every 3–6 months.
- Can it be cleaned and reused? Yes, unless the pad is oil‑saturated.
- Why an adjustable frame? It holds the filter even when the grate is removed—ideal for maintenance crews.
Regulatory Compliance
Supports EPA Phase II, NPDES, and local TMDL storm‑water programs.
WARNING: Parts 8930 & 8931 contain nickel, a chemical known in California to cause cancer.
Learn more.
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