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    • Popular Manufacturers
      • TDS
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      • All Drainage Systems
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      • All Drainage Systems
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  • MMG-SS-FOAM MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $588.98 USD
    Regular price Sale price From $588.98 USD
    Unit price /  per 
  • MMG-SB-STAR

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Star Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Star Grate & Satin Bronze Edge

    Regular price From $1,005.98 USD
    Regular price Sale price From $1,005.98 USD
    Unit price /  per 
  • MMG-BF-LUNA-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 304 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 304 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $153.00 USD
    Regular price Sale price $153.00 USD
    Unit price /  per 
  • MMS-SS-PERF MAX Mini with perforated grate - sand channel

    3" Sand MAX Mini w/ 304 Stainless Steel Perforated Heel Proof Grates

    3" Sand MAX Mini w/ 304 Stainless Steel Perforated Heel Proof Grates

    Regular price From $588.98 USD
    Regular price Sale price From $588.98 USD
    Unit price /  per 
  • Mini-Acanthus-Raw 3x12 Iron Age deco grate

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Regular price $74.36 USD
    Regular price Sale price $74.36 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    Regular price From $1,005.98 USD
    Regular price Sale price From $1,005.98 USD
    Unit price /  per 
  • 9373 NDS Slim Channel 90 Degree Angle with Gray Slotted Grate

    NDS 9383 Slim Channel 90 Degree Elbow with Gray Slotted Grate

    NDS 9383 Slim Channel 90 Degree Elbow with Gray Slotted Grate

    Regular price $41.49 USD
    Regular price Sale price $41.49 USD
    Unit price /  per 
  • MMS-SS-FOAM MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini w/Perf Foam HP 304 Stainless Steel Grate/Edge

    3" Sand MAX Mini w/Perf Foam HP 304 Stainless Steel Grate/Edge

    Regular price From $588.98 USD
    Regular price Sale price From $588.98 USD
    Unit price /  per 
  • MMG-SB-CATH-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • BA-LUNA-0312-B TDS Luna Brushed Bronze Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • MMG-BF-PED-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • MMG-SB-CATH

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,007.28 USD
    Regular price Sale price From $1,007.28 USD
    Unit price /  per 
  • TDS MAX Mini with Bronze Edging and TDS560 Natural Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Natural Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Natural Bronze Slotted Grate

    Regular price From $1,005.98 USD
    Regular price Sale price From $1,005.98 USD
    Unit price /  per 
  • MMG-BF-CATH-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • MMG-BF-STARS-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Oil Rubbed Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • MMS-SB-570B bushed satin cathedral mini channel max mini

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
  • MMG-SB-LUNA

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    Regular price From $1,007.28 USD
    Regular price Sale price From $1,007.28 USD
    Unit price /  per 
  • HYDROM-PM-EC

    HYDRO-PM-EC Closed End Cap for HYDROPLUS Mini

    HYDRO-PM-EC Closed End Cap for HYDROPLUS Mini

    Regular price $32.44 USD
    Regular price Sale price $32.44 USD
    Unit price /  per 
  • MMG-SB-STAR-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Satin Bronze Edge

    Regular price From $1,172.28 USD
    Regular price Sale price From $1,172.28 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
Shop All

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