ELM1122T5 Filter Element Compatible with Dunham Bush

Here is the complete product description in HTML format with Schema.org markup, designed to be clean, readable, and SEO-friendly.
“`html

body {
font-family: ‘Segoe UI’, Roboto, Helvetica, Arial, sans-serif;
background: #f5f7fa;
margin: 0;
padding: 30px 20px;
color: #1e2a3a;
}
.product-card {
max-width: 1150px;
margin: 0 auto;
background: white;
border-radius: 24px;
box-shadow: 0 12px 30px rgba(0,0,0,0.07);
padding: 30px 35px;
}
h1 {
font-size: 2rem;
font-weight: 600;
margin-top: 0;
margin-bottom: 10px;
letter-spacing: -0.3px;
color: #0b1a2b;
}
.brand-sub {
color: #2c6b9e;
font-weight: 500;
font-size: 1rem;
margin-bottom: 20px;
display: flex;
align-items: center;
gap: 8px;
}
.grid-2col {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 30px;
margin: 25px 0 20px;
}
.gallery {
background: #f0f4fc;
border-radius: 20px;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
}
.main-img {
width: 100%;
max-width: 380px;
height: auto;
object-fit: contain;
border-radius: 16px;
background: white;
padding: 10px;
box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.thumb-grid {
display: flex;
gap: 12px;
margin-top: 18px;
flex-wrap: wrap;
justify-content: center;
}
.thumb {
width: 70px;
height: 70px;
object-fit: cover;
border-radius: 12px;
border: 2px solid transparent;
background: white;
padding: 4px;
box-shadow: 0 2px 6px rgba(0,0,0,0.05);
transition: 0.2s;
cursor: default;
}
.thumb:hover {
border-color: #2c6b9e;
}
.price-area {
background: #f8faff;
border-radius: 20px;
padding: 22px 25px;
margin-bottom: 20px;
}
.price {
font-size: 2.2rem;
font-weight: 700;
color: #0f2b44;
letter-spacing: -0.5px;
}
.price small {
font-size: 1rem;
font-weight: 400;
color: #5e6f82;
margin-left: 6px;
}
.condition-badge {
background: #d